Document:

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                                                                   Exhibit 10.10

                             EMPLOYMENT AGREEMENT
                             --------------------

          THIS EMPLOYMENT AGREEMENT (this "Agreement"), dated as of
March 20, 2000 (the "Effective Date"), by and between Diginet Americas, Inc., a
Delaware corporation (the "Company"), and Leon Garza (the "Employee").
                           -------                         --------

     WHEREAS, the Employee represents that he possesses skills, experience and
knowledge that are of value to the Company; and

     WHEREAS, the Company desires to enlist the services and employment of the
Employee on behalf of the Company and the Employee is willing to render such
services on the terms and conditions set forth herein.

     NOW, THEREFORE, in consideration of the mutual covenants contained herein,
the parties hereto agree as follows:

     1.  Employment Term.  Except for earlier termination as provided for in
         ---------------
Section 7 hereof, the Company hereby agrees to employ the Employee, and the
Employee hereby agrees to be employed by the Company, subject to the terms and
provisions of this Agreement, for the period commencing on the "Effective Date"
                                                                --------------
(as defined in Section 21 below) and ending on the third anniversary of such
date (the "Initial Term"), provided, however, that upon expiration of the
           ------------    --------  -------
Initial Term, the term of employment shall be automatically extended for a
period of two years, unless either the Company or the Employee shall have given
written notice to the other at least ninety (90) days prior to the expiration of
the Initial Term that the term of employment shall not be so extended (the
Initial Term ) and any subsequent period of extension of employment, the

"Employment Term").
----------------

     2.  Duties.    During the Employment Term the Employee shall serve as
         ------
President and Chief Operating Officer of the Company. The Employee shall
perform such senior executive duties, services and responsibilities on behalf of
the Company and its subsidiaries as determined by the Chairman and Chief
Executive Officer (the "CEO").  In performing such duties hereunder, the
Employee will report directly to the Chairman and CEO.

     The Employee shall devote his full business time, attention and skill
to the performance of such duties, services and responsibilities, and will use
his commercially reasonable efforts to promote the interests of the Company. The
Employee will not, without the approval of the Board of Directors of the Company
(the "Board") (a) engage in any corporate, civic or charitable activity which
would interfere with the performance of his duties as an employee of the
Company, is in violation of reasonable written Company policies, is in violation
of applicable law, or would create a conflict of interest with respect to the
Employee's obligations as an employee of the Company, or (b) deliver lectures,
fulfill speaking engagements or teach at educational institutions for
compensation.

                                       1
<PAGE>

     3.  Compensation.  In full consideration of the performance by the Employee
         ------------
of the Employee's obligations during the Employment Term (including any services
as an officer, director, employee or member of any committee of any subsidiary
or Affiliate of the Company, or otherwise on behalf of the Company), the
Employee shall receive a base salary (the "Base Salary") at an annual rate of
                                           -----------
$250,000 per year, payable semimonthly.  During the Employment Term, the
Employee will be eligible to receive annual increases in the Base Salary as
determined in the sole discretion of the Chairman and CEO and the Board.  The
Employee shall be solely responsible for taxes imposed on the Employee by reason
of any compensation and benefits provided under this Agreement and all such
compensation and benefits shall be subject to applicable withholding taxes.

     For purposes hereof, "Affiliate" shall mean, with respect to the Company,
any entity at a time Controlling, Controlled by or under common Control with
Company. "Control" and its derivatives shall mean:  (i) with regard to any
entity, the legal, beneficial, or equitable ownership, directly or indirectly,
of fifty percent (50%) or more of the capital stock (or other ownership
interest), if not a corporation) of such entity ordinarily having voting rights
or (ii) with regard to any entity, the management control over such entity.

     4.  Disability.  If the Employee is unable, as reasonably determined by the
         ----------
Board, to perform his duties, services and responsibilities hereunder by reason
of a physical or mental infirmity for a total of ninety (90) calendar days in
any twelve-month period during the Employment Term ("Disability"), the Company
                                                     ----------
shall not be obligated to pay the Employee any Base Salary for any period of
absence in excess of such ninety (90) calendar days and, in any case, shall be
entitled to terminate the Employee's employment hereunder in accordance with
Section 7.

     5.  Incentive Plans/Benefits.  In addition to the payments of the Base
         ------------------------
Salary described above, during the Employment Term the Employee shall be: (i)
eligible to receive a performance based annual bonus equal to 65% of the
Employee's Base Salary upon attainment of 100% target performance, (ii) entitled
to participate in employee benefit plans, policies, programs and arrangements,
as may be amended from time to time, that are provided generally to senior
executives of the Company to the extent of the Employee meets the eligibility
requirements for any such plan, policy, program or arrangement.

     6.  Vacations.  During the Employment Term the Employee shall be entitled
         ---------
to the number of paid vacation days in each calendar year determined by the
Company in accordance with the Company's policies in effect from time to time.
This is four weeks at time of hire.

     7.  Termination.  The Employee's employment with the Company and the
         -----------
Employment Term shall terminate upon the expiration of the Employment Term or
upon the earlier occurrence of any of the following events (the date of
termination, the "Termination Date"):
                  ----------------

                                       2
<PAGE>

         (a)  The death of the Employee ("Death").
                                          -----

         (b)  The mutual agreement between the Company and the Employee
that the employment of the Employee with the Company shall be terminated.

         (c)  The termination of employment by the Company for Cause upon
written notice (the "Cause Notice") to the Employee specifying the conduct
constituting Cause.  Termination of employment for "Cause" shall mean
                                                    -----
termination based on: (i) the conviction of the Employee of any crime involving
the property or business of the Company or; (ii) the Employee's repeated,
reckless misconduct injurious to the Company and failure to cure such action
within ten (10) days after written demand for substantial improvement in
performance with reasonable detail delivered to the Employee by the Board.  For
all purposes of the Employee's employment by the Company, if the Employee's
employment is terminated for Cause, the effective date of such termination shall
be the date of delivery of the Cause Notice.

         (d)  The termination of employment by the Company for Disability.

         (e)  The termination of employment by the Company other than for
Cause, Disability or Death.

         (f)  The termination of employment by the Employee for Good Reason.

"Good Reason" shall mean: (i) any reduction in Base Salary, (ii) any material
------------
diminution in the Employee's position, duties or responsibilities, (iii) a
change of control of the Company (as defined below),  (iv) any relocation of the
employee's workplace to a location that is more than one hundred (100) miles
from the present location of such headquarters.

         (g)  Termination by the Employee for other than Good Reason.

In the event of the termination of the Employee's employment, for whatever
reason (other than Death), the Employee agrees to cooperate upon reasonable
request with the Company, its subsidiaries and Affiliates and to be reasonably
available to the Company, its subsidiaries and Affiliates as a matter of
professional courtesy, with respect to continuing and/or future matters arising
out of the Employee's employment hereunder with the Company, its subsidiaries or
Affiliates, whether such matters are business-related, legal or otherwise.

     8.  Termination Payments.
         --------------------

         (a)  If the Employee's employment with the Company terminates, the
Company will pay the Employee (i) any accrued and unpaid Base Salary as of the
Termination Date and (ii) an amount equal to such reasonable and necessary
business expenses incurred by the Employee in connection with the Employee's
employment on behalf of the Company on or prior to the Termination Date but not
previously paid to the Employee (the "Accrued Compensation").
                                      --------------------

                                       3
<PAGE>

         (b)  If the Employee's employment with the Company terminates
pursuant to Subsection (e) or (f) of Section 7 hereof and prior to one year
employment, for a period of six months following the Termination Date, but only
for so long as the Employee is in compliance with Section 10 hereof, the Company
shall continue to pay the Employee the Base Salary in accordance with the normal
payroll practices of the Company with respect to such Base Salary, and shall
continue to provide the Employee with medical coverage and related benefits
substantially comparable to that provided generally to senior officers of the
Company.  If the Employee's employment with the Company terminates as described
above but after one year's employment, the period of salary and benefits
described will be for one year.

         (c)  If the Employee's employment with the Company terminates
pursuant to Subsections (a) or (d) of Section 7 hereof, for a period of six
months following the Termination Date, but only for so long as the Employee is
in compliance with Section 10 hereof, the Company shall continue to pay the
Employee the Base Salary in accordance with the normal payroll practices of the
Company with respect to such Base Salary, and shall continue to provide the
Employee with medical coverage and related benefits substantially comparable to
that provided generally to senior officers of the Company.

         (d)  Vesting of Options.  In the event the Employee's employment
              ------------------
terminates pursuant to Subsections (a), (d), (e) or (f) of Section 7 hereof, (i)
the portion of any options to acquire shares of the Company's common stock (the
"Common Stock") held by the Employee which are scheduled to become vested and
exercisable within six months of the Termination Date shall become vested and
exercisable within three months of less than one year employment and on the
Termination Date, (ii), any unvested shares of Common Stock acquired by the
Employee, pursuant to the exercise of options, which are scheduled to vest
within three months or six months of the Termination date based on less than or
more than one year shall vest on the Termination Date, and (iii) any vested
options held by the Employee on the Termination Date shall remain exercisable
for a period of one year thereafter.  Nothing herein shall be construed to limit
the vesting of all such options upon a Change of Control Transaction as provided
in the Diginet Americas, Inc. 1996 Stock Option Plan.

         (e)  All options to acquire shares of Common Stock granted to the
Employee on March 20, 2000 (the "Grant Date") shall be subject to all of the
                                 ----------
terms of the Company's standard early exercise stock option agreement as in
effect on the Grant Date.  Notwithstanding the foregoing sentence or anything to
the contrary in any stock option agreement or plan, such options and any
restricted shares of Common Stock acquired upon early exercise of such options
shall vest and no longer be forfeitable according to the following schedule:
25% of the shares of Common Stock shall be vested on the first anniversary of
the Grant Date, and 1/48 of the shares of Common Stock shall vest on the 5th of
each month and thereafter following March 20, 2001, in each case, if the
Employee is employed by the Company on such date.

                                       4
<PAGE>

     9.  Change of Control.
         -----------------

         (a)  Notwithstanding the provisions of any agreement or
plan pursuant to which the Employee shall have been granted options to purchase
shares of the Company's capital stock ("Options") upon a Change in Control of
                                        -------
the Company or a public announcement of an agreement or arrangement which will
result in a Change in Control through a strategic sale, all such Options granted
to the Employee shall become fully vested and in the event that the Employee's
employment is terminated for any reason all such Options shall not expire prior
to the 181st day after the date of such termination.

         (b)  For purposes of this Agreement, a Change of
Control shall be deemed to have occurred if: (a) any "person" (as such term is
used in Sections 13(d) and 14(d) of the Securities Exchange Act of 1934, as
amended (the "Exchange Act")), is or becomes the "beneficial owner" (as defined
in Rule 13d-3 under the Exchange Act), directly or indirectly, of securities of
the Company (not including any securities acquired directly from the Company)
representing more than 30% of the combined voting power of the Company's then
outstanding securities; (b) during any period of two (2) consecutive years
during the term of this Agreement, individuals who at the beginning of such
period constitute the Board cease for any reason to constitute at least a
majority thereof, unless the election of each director who was not a director at
the beginning of such period  has been approved in advance by directors
representing at least two-thirds of the directors then in office who were
directors at the beginning of the period; (c) the stockholders of the Company
approve a merger or consolidation of the Company with or into another
unaffiliated entity, or the merger of another unaffiliated entity into the
Company or any subsidiary thereof with the effect that immediately after such
transaction the stockholders of the Company immediately prior to such
transaction hold less than fifty percent (50%) of the total voting power of all
securities generally entitled to vote in the election of directors, managers or
trustees of the entity surviving such merger or consolidation; (d) the
stockholders of the Company approve a plan for the sale, lease or other transfer
of all or substantially all of the Company's assets to an unaffiliated person or
group (as such term is used in Section 13(d)(3) of the Securities Exchange Act
of 1934, as amended); or (e) the adoption by the stockholders of the Company of
a plan relating to the liquidation or dissolution of the Company.

         (c)  Subject to Subsection (e) of this Section 9, in the event that the
Employee's employment terminates pursuant to Subsection (c) of Section 7 hereof,
the Company shall have a call right, enabling the Company (or its designee) to
require the Employee (or his successor or representative, as the case may be) to
sell to the Company (or its designee) all shares of Common Stock held by the
Employee at a per share purchase price equal to the lesser of the amount paid by
the Employee for each share or the Fair Market Value of each such share as of
the date of exercise of such call right.  The call right shall be exercisable by
the Company for twelve months after the later of (i) the Employee's termination
of employment and (ii) the exercise of the Option.

                                       5
<PAGE>

         (d)  The Company's call right as provided herein shall expire at the
time of  an IPO.

         (e)  For purposes of this Section 9, the term "Fair Market Value" of a
                                                        -----------------
share of Common Stock on any date means the value of such share of Common Stock
as determined in good faith by the Board.

     10.  Employee Covenants.
          ------------------

         (a)  Unauthorized Disclosure.  The Employee agrees and understands
              -----------------------
that in the Employee's position with the Company, the Employee will be exposed
to and will receive information relating to the confidential affairs of the
Company, its subsidiaries and Affiliates, including but not limited to technical
information, intellectual property, business and marketing plans, strategies,
customer information, other information concerning the products, promotions,
development, financing, expansion plans, business policies and practices of the
Company, its subsidiaries and Affiliates, and other forms of information
reasonably considered by the Company to be confidential and in the nature of
trade secrets ("Confidential Information").  The Employee agrees that during the
                ------------------------
Employment Term and  for a commercially reasonable period thereafter, the
Employee will not disclose such Confidential Information, either directly or
indirectly, to any third person or entity without the prior written consent of
the Company.  Upon termination of the employment Term, the Employee will supply
or make available to the Company in a timely manner all property, keys, notes,
memoranda, writings, lists, files, reports, customer lists, correspondence,
tapes, disks, cards, surveys, maps, logs, machines, technical data or any other
tangible product or document which has been produced by, received by or
otherwise submitted to the Employee during or prior to the Employment Term.

          Confidential Information shall not include information that: (i) is
previously know by Employee at the time of disclosure without obligation of
confidence, or without breach of this Agreement; (ii) is publicly disclosed
through no wrongful act of Employee; (iii) is received from a third party having
the right to lawfully possess and disclose same and without breach of this
Agreement; (iv) is independently developed by Employee without access or
reference to the Confidential Information, (v) is approved for release by
authorization of the Company; or (vi) is required to be disclosed by a court or
regulatory body of competent jurisdiction pursuant to applicable law or
regulation.

         (b)  Non-competition.  By and in consideration of the Company's
              ---------------
entering into this Agreement and the payments to be made and benefits to be
provided by the Company hereunder, and further in consideration of the
Employee's exposure to the Confidential Information of the Company, its
subsidiaries and Affiliates, the Employee agrees that the Employee will not,
during the  Employment Term, and thereafter during the "Non-competition Term"
                                                        --------------------
(as defined below), directly or indirectly, own, manage, operate, join, control,
be employed by, or participate in the ownership, management, operation or
control of, or hold any position as an officer, consultant, independent
contractor, employee or partner in, any "Restricted Enterprise" (as defined
                                         ---------------------
below); provided that in no event shall ownership of less than 1% of the
        --------
outstanding equity

                                       6
<PAGE>

securities of any issuer whose securities are registered under the Securities
and Exchange Act of 1934, as amended, standing alone, be prohibited by this
Subsection (b) of this Section 10. For purposes of this paragraph, the term
"Restricted Enterprise" shall mean any person, corporation, partnership or other
 ---------------------
entity that is principally engaged in providing local data and/or voice
telecommunications services in Latin America. Following termination of the
Employment Term, upon request of the Company, the Employee shall notify the
Company of the Employee's then current employment status. For purposes of this
Agreement, the "Non-competition Term" shall mean the period beginning on the
                --------------------
Termination Date and ending on the six month anniversary, if less than one year
employment, and on the first anniversary of such date if more than one year.

         (c)  Non-solicitation.  During the Non-competition Term, the
              ----------------
Employee shall not, and shall not intentionally cause any other person to,
entice away from the Company, any of its subsidiaries or Affiliates, any person
who is an employee or customer of the Company, any of its subsidiaries or
Affiliates at the time of the Termination Date.

         (d)  Remedies.  The Employee agrees that any breach of the terms of
              --------
this Section 10 may result in irreparable injury and damage to the Company, its
subsidiaries and/or its Affiliates for which the Company, its subsidiaries
and/or its Affiliates may have no adequate remedy at law; the Employee therefore
also agrees that in the event of said breach or any threat of breach, the
Company, its subsidiaries and/or its Affiliates, as applicable, shall be
entitled to an immediate injunction and restraining order to prevent such breach
and/or threatened breach and/or continued breach by the Employee and/or any and
all persons and/or entities acting for and/or with the Employee, without having
to prove damages, in addition to any other remedies to which the Company, its
subsidiaries and/or its Affiliates may be entitled at law or in equity.  The
terms of this paragraph shall not prevent the Company, its subsidiaries and/or
its Affiliates from pursuing any other available remedies for any breach or
threatened breach hereof, including but not limited to the recovery of damages
from the Employee.  The Employee and the Company further agree that the
provisions of the covenants contained in this Section 10 are reasonable and
necessary to protect the businesses of the Company, its subsidiaries and
Affiliates because of the Employee's access to Confidential Information and his
material participation in the operation of such businesses.  Should a court,
arbitrator or other similar authority determine, however, that any provision of
the covenants contained in this Section 10 are not reasonable or valid, either
in period of time, geographical area, or otherwise, the parties hereto agree
that such covenants should be interpreted and enforced to the maximum extent to
which such court or arbitrator deems reasonable or valid.

     The existence of any claim or cause of action by the Employee against
the Company and/or its subsidiaries and/or its Affiliates, whether predicated on
this Agreement or otherwise, shall not constitute a defense to the enforcement
by the Company of the covenants contained in this Section 10.

                                       7
<PAGE>

     11. Non-Waiver of Rights.  The failure to enforce at any time the
         --------------------
provisions of this Agreement or to require at any time performance by any other
party of any of the provisions hereof shall in no way be construed to be a
waiver of such provisions or to affect either the validity of this Agreement or
any part hereof, or the right of any party to enforce each and every provision
in accordance with its terms.

     12. Notices.  Every notice relating to this Agreement shall be in
         -------
writing and shall be given by personal delivery or by registered or certified
mail, postage prepaid, return receipt requested.

     13. Binding Effect/Assignment.  This Agreement shall inure to the
         -------------------------
benefit of and be binding upon the parties hereto and their respective heirs,
executors, personal representatives, estates, successors (including, without
limitation, by way of merger) and assigns.  Notwithstanding the provisions of
the immediately preceding sentence, the Employee shall not assign all or any
portion of this Agreement without the prior written consent of the Company.

     14. Entire Agreement.  This Agreement and the Option Agreement,
         ----------------
dated March 20, 2000, between the Employee and the Company, sets forth the
entire understanding of the parties hereto with respect to the subject matter
hereof and supersedes all prior agreements, written or oral, between them as to
such subject matter.  This Agreement may not be amended, nor may any provision
hereof be modified or waived, except by an instrument in writing duly signed by
the party to be charged.

     15. Severability.  If any provision of this Agreement, or any application
         ------------
thereof to any circumstances is invalid, in whole or in part, such provision or
application shall to that extent be severable and shall not affect other
provisions or applications of this Agreement.

     16. Governing Law.  This Agreement shall be governed by and construed in
         -------------
accordance with the internal laws of the State of New York, without reference to
the principles of conflict of laws.

     17. Arbitration.  The Employee agrees that, at the Company's election
         -----------
(which election may be made on the Company's sole and absolute discretion at any
time prior to the commencement of a judicial proceeding by the Company or, in
the event instituted by the Employee, at any time prior to the last day to
answer and/or respond to a summons and/or complaint made by the Employee), any
dispute of any kind, nature or description between the parties hereto in respect
of arising out of this Agreement, the Employee's employment by the Company,
and/or the termination thereof, shall be submitted to binding arbitration in the
District of Columbia before the American Arbitration Association.

     18. Modifications and Waivers.  No provision of this Agreement may be
         --------------------------
modified, altered or amended except by an instrument in writing executed by the
parties hereto.  No waiver by any party hereto of any breach by any other party
hereto of

                                       8
<PAGE>

any provision of this Agreement to be performed by such other party shall be
deemed a waiver of similar or dissimilar provisions at the time or at any prior
or subsequent time.

     19. Headings.  The headings contained herein are solely for the
         --------
purposes of reference, are not part of this Agreement and shall not in any way
affect the meaning or interpretation of this Agreement.

     20. Counterparts.  This Agreement may be executed in two or more
         ------------
counterparts, each of which shall be deemed to be an original but all of which
together shall constitute one and the same instrument.

     IN WITNESS WHEREOF, the Company has caused this Agreement to be
executed by authority of its Board of Directors, and the Employee has hereunto
set his hand, on the day and year first above written.

                                  Company:
                                  --------

                                  Diginet Americas, Inc.

                                  By:  /s/ David R. Schmieg
                                     -----------------------------------
                                       Name:    David R. Schmieg
                                       Title:   Chairman and CEO

                                  Employee:
                                  --------

                                  /s/ Leon Garza
                                  ---------------------------------------
                                  Leon Garza

                                       9<PAGE>

[DIGINET LETTERHEAD APPEARS HERE]                                  Exhibit 10.11

March 29, 1998

Mr. Laurence A. Hinz
1015 33rd Street, NW #706
Washington, D.C. 20007

Dear Larry,

I am pleased to present to you a formal offer to join the Diginet Americas, Inc.
("Diginet") team and, as a partner, play a pivotal role in building Diginet
into a great telecommunications company. I am confident that you will make a
significant contribution to Diginet's ambitious growth plans, flourish
professionally, and enjoy the endeavor on many levels. You clearly are a very
accomplished professional, and I truly believe that Diginet represents an
excellent platform for your considerable talents and natural abilities.

The position's formal title is Chief Financial Officer. You will report
directly to me, the Company's Chief Executive Officer, with dotted line
reporting to the Company's President and COO, Francisco Amaro. Your direct
responsibilities will include, but not be limited to, five broad areas:

     .  Capital Formation- Leading the capital formation effort, as the company
        progresses through several rounds of private equity, vendor and/or
        OPIC/IFC/Ex-Im Bank debt facilities, a possible strategic investment,
        and onto the IPO and rounds of public high yield debt.

                             [Diginet Letterhead]

<PAGE>
                                                                               2

     .  Board of Directors/Shareholder "Management"- I anticipate that the
        Diginet Board of Directors will be very high powered and very involved
        in Diginet's development. You will have primary responsibility for
        interfacing with Investor and Outside Directors (including David
        Solomon, the former CFO of Brooks Fiber), and facilitating efficient
        Board dynamics. I suspect that you will find this Board-level exposure
        professionally stimulating.

     .  Vendor Relations- Diginet will soon be negotiating a multi-country
        strategic vendor contract, involving pricing, performance, and a long
        term debt facility. You will be a key member of the team that negotiates
        this critical transaction.

     .  M&A/Strategic Partnering- While there are no M&A or strategic partnering
        activities planned in the near term, I envision a potential strategic
        investment at the corporate level (candidates include ATT, Worldcom,
        Sprint, Teleglobe, Intermedia, wireless CLECs), and strategic
        investments at the country level to enhance Diginet's political/economic
        clout. As such M&A/Strategic Partnering activity develops, you will be
        intimately involved in this process.

     .  Classic Financial Management- Planning, budgeting, financial controls.

In addition to your central, line operating responsibilities, as a core member
of the management team, I anticipate that you actively will be involved in a
range of high-level decision making, including:

        .  Overall Corporate strategy and direction

        .  Key spectrum decisions throughout Latin America

        .  Establishing corporate culture and value-system

        .  Key sales and marketing decisions

        .  Establishment of in-country strategic/marketing alliances

<PAGE>

                                                                               3

        .  Creating and deploying new products/service offerings that leverage
           Diginet's transmission capabilities, lock-in customers, and provide
           Diginet with enduring competitive advantages

I believe that Diginet represents an entrepreneurial opportunity, with many
unique advantages. We have put together a remuneration package that provides you
with venture upside and rewards, while offering you downside protection. The
offer includes "market" cash compensation, a signing bonus and an attractive
initial stock option package that rewards you for value-creation and also has
the potential to significantly enhance your net worth.

In addition, you will have all of the excitement, challenges, and satisfaction
of building a business from "the ground floor up", without corporate politics.
You will have an opportunity to build a team that you respect professionally,
and enjoy working with on a personal level. You will have an opportunity to
create with us a company, and a work environment, that reflects your values,
that is humane, meritocritous, and equitable. You also will be challenged
intellectually in determining how best to "export" new telecom/datacom/IT
technologies and product/services to the infrastructure-deprived environments of
Latin America.

The key terms of the revised Job Offer are outlined in Exhibit A. I appreciate
the importance of this career decision for you, and I would be pleased to
discuss the offer with you in depth.

Larry, we very much look forward to working with you, and to making Diginet an
overwhelming success. While we have known each other only a very short time, I
am confident that you will play a critical role in Diginet's success and that
you will find the experience exceptionally satisfying intellectually,
emotionally, and financially.

<PAGE>

                                                                               4

Sincerely,

/s/ Scott Puritz
------------------------
Scott Puritz
Chairman and Chief Executive Officer

AGREED AND ACCEPTED

/s/ Laurence A. Hinz
------------------------
Laurence A. Hinz

      3/31/98
------------------------
DATE

<PAGE>

                                                                               5

                                   Exhibit A
                                  -----------

              Position:  Chief Financial Officer

Reporting Relationship:  Solid line to Chief Executive Officer (Puritz).
                         Dotted line to President/COO (Amaro).

           Base Salary:  $175,000, paid bi-monthly.

         Signing Bonus:  Cash Signing Bonus -- $50,000.
                         Equity Signing Bonus -- 50,000 stock options, fully
                         vested (see below).

  Initial Stock Option
                 Grant:  250,000 stock options.

    Annual Performance
                 Bonus:  Determined by Board of Directors' Compensation
                         Committee.

                         Timing -- First annual review at 12/31/98. The
                         successful consummation of a strategic vendor deal,
                         prior to 12/31/98, will trigger a performance review
                         and potentially an early performance bonus.

                         Cash Component -- Up to 50% cash performance bonus, or
                         up to $80,000.

                         Equity Component -- It is anticipated that an
                         additional 5% of the stock of Diginet Americas, Inc.
                         will be allocated to a new management stock option
                         plan.  This pool of new stock options will be used to
                         build and strengthen the corporate management team, and
                         to provide all executives with an

<PAGE>

                                                                               6

                         opportunity to be benefit from shareholder value
                         creation.  Accessing this stock option pool, you will
                         be eligible for additional stock options, above the
                         initial 250,000, as determined by Board of Directors'
                         Compensation Committee.

                         Diginet's venture capital investors will have a
                         dominant role on this committee. All of the potential
                         private equity firms that Diginet is considering for
                         its lead equity investor role have strong commitments
                         to providing management with significant equity
                         compensation, are skilled at crafting objective
                         performance benchmarks, and have demonstrable track
                         records at handsomely rewarding superior management
                         performance.

               Vesting:  50,000 equity signing bonus fully-vested as of start
                         date.  200,000 additional stock options subject to
                         Diginet Americas' standard vesting schedule -- Four
                         year vesting schedule.  First year cliff vesting,
                         monthly thereafter.  Accelerated vesting ("full
                         vesting") in the event of change of control (i.e.,
                         strategic buyout).

    Anticipated Strike
                 Price:  $0.01 per share.

              Benefits:  Full Health Plan.
                         Participation in 401K plan (no Company matching).
                         Free parking.

         Contract Term:  2 years.  2 year Extension Effective March 31, 2000
                         through March 30, 2002.

            Start Date:  3/29/00(of renewal period)
                         /s/ David R. Schmieg, Chairman; CEO
                         /s/ Laurence A. Hinz

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00006-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00006-of-00352.parquet"}]]