Document:

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                                                                   Exhibit 10.23

                                    AMENDMENT
                                       TO
                             AGREEMENT OF EMPLOYMENT

This AMENDMENT TO AGREEMENT OF EMPLOYMENT (this "Amendment"), dated as of
November 15, 2000, is intended to modify the Agreement of Employment, dated as
of April 9, 2000 (the "Agreement of Employment"), among Independent Wireless One
Corporation, a Delaware corporation ("IWO"), IWO Holdings, Inc., a Delaware
corporation ("Holdings" and together with IWO, the "Corporation") and Steven M.
Nielsen, residing at 26 Port Huron Drive, Niskayuna, New York 12309 (the
"Employee").

                                    RECITALS

WHEREAS, the Corporation desires to induce and secure the employment of the
Employee as President and Chief Executive Officer and Employee desires to be so
employed by the Corporation, effective as of November 15, 2000.

                                   AGREEMENTS

NOW THEREFORE, in consideration of the foregoing, and for other good and
valuable consideration, the parties hereto agree as follows:

SECTION 1.

(a) Section 2(a) of the Agreement of Employment is hereby amended and restated
in its entirety as follows:

"2. Duties of Employee.

(a) The Employee shall serve on the Board of Directors of the Corporation and as
President and Chief Executive Officer of the Corporation, and of any subsidiary
or affiliated corporation if elected by the appropriate Board of Directors, and
shall perform such duties as are appropriate to such office as may be assigned
to him by such Board of Directors. Subject to the direction of the Board of
Directors, the Employee shall be responsible for the establishment of the
policies, plans and strategic goals of the Corporation, and shall have primary
authority and responsibility for the direction of the day to day business of the
Corporation, including, but not limited to its operating divisions and
performance of work and contracts; supervision of general, administrative,
financial, and human resources support staff; and reportee for employee general
supervision, performance appraisals and operations functions. The Corporation
agrees that the duties assigned to the Employee shall not be inconsistent
therewith and that the Employee shall have such powers, authority and facilities
at his disposal as are suitable to his position and as shall reasonably be
required to enable him to discharge his duties in an efficient manner."

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(b) Section 3(a) of the Agreement of Employment is hereby amended and restated
in its entirety as follows:

"3. Compensation.

(a) Basic Salary. The Corporation will pay the Employee during the term hereof
for all services to be rendered hereunder a basic salary at the rate of two
hundred thousand dollars ($200,000) per annum from the Effective Date through
November 15, 2000; two hundred seventy-five thousand dollars ($275,000) per
annum from November 16, 2000 through December 31, 2001; and two hundred
eighty-five thousand dollars ($285,000) per annum from January 1, 2002 to
December 31, 2002. The foregoing basic salary shall be paid in such regular
installments as are applied generally to salary period payments to other
employees of the Corporation, but in no event less than twice monthly."

(c) Section 3(b)(i) of the Agreement of Employment is hereby amended by deleting
therefrom the words "Corporation's Chief Executive Officer and."

(d) Section 3(d) of the Agreement of Employment is hereby amended by deleting
from the last sentence thereof the words "All time off is subject to approval by
the CEO and."

SECTION 2.

(a) Counterparts. This Amendment may be executed in two or more counterparts,
each of which will be deemed an original but which together will constitute one
and the same instrument. Delivery of an executed counterpart of a signature page
of this Amendment by facsimile transmission shall be as effective as delivery of
a manually executed counterpart of this Amendment.

(b) Headings; Sections. All headings and captions in this Amendment are for
purposes of reference only and will not be construed to limit or affect the
substance of this Amendment. All references to Section in this Amendment refer
to Sections of this Amendment, unless otherwise expressly provided for.

(c) Other Provisions. All other provisions of the Agreement of Employment not
amended hereby will remain in full force and effect.

[signature page follows]

                                        2

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IN WITNESS WHEREOF, IWO and Holdings have caused this Amendment to be signed by
their respective officers hereunto duly authorized, and the Employee has
hereunto set his hand and seal, effective as of the day and year first above
written.

INDEPENDENT WIRELESS ONE CORPORATION

By:  /s/ Michael E. Cusack              By:    /s/ Alfred F. Boschulte
     --------------------------                --------------------------
     Name:  Michael E. Cusack           Name:  Alfred F. Boschulte
     Title: Vice-President              Title: Chairman
            & Secretary

IWO HOLDINGS, INC.                      IWO HOLDINGS, INC.

By:  /s/ Michael E. Cusack              By:    /s/ Alfred F. Boschulte
     --------------------------                --------------------------
     Name:  Michael E. Cusack           Name:  Alfred F. Boschulte
     Title: Vice-President              Title: Chairman
            & Secretary

                                        EMPLOYEE

                                        /s/ Steven M. Nielsen
                                        ---------------------------------
                                        Steven M. Nielsen<PAGE>
                                                                   EXHIBIT 10.24

                                   AMENDMENT
                                       TO
                            AGREEMENT OF EMPLOYMENT

This AMENDMENT TO AGREEMENT OF EMPLOYMENT (this "Amendment"), dated as of
December 19, 2001, is intended to modify the Agreement of Employment, dated as
of April 9, 2000, as amended as of November 15, 2000 (the "Agreement of
Employment"), among Independent Wireless One Corporation, a Delaware corporation
("IWO"), IWO Holdings, Inc., a Delaware corporation ("Holdings" and together
with IWO, the "Corporation") and Steven M. Nielsen (the "Employee"), as modified
by the Letter Agreement, dated September 20, 2000, among Holdings, IWO and the
Employee.

                                    RECITALS

WHEREAS, the Corporation and the Employee desire to amend the Agreement of
Employment in the manner set forth below.

                                   AGREEMENTS

NOW THEREFORE, in consideration of the foregoing, and for other good and
valuable consideration, the parties hereto agree as follows:

Section 1. Effective immediately prior to and subject to the consummation of a
Saints Merger (as defined in Section 2(b) hereof):

(a) Section 1 of the Agreement of Employment is hereby amended by replacing the
words "until December 31, 2002" therein with the words "until December 31,
2003".

(b) Section 3(a) of the Agreement of Employment is hereby amended by replacing
the first sentence thereof with the following sentence:

"The Corporation will pay the Employee during the term hereof for all services
to be rendered hereunder a basic salary at the rate of two hundred thousand
dollars ($200,000) per annum from the Effective Date through November 15, 2000;
two hundred seventy-five thousand dollars ($275,000) per annum from November 16,
2000 through December 31, 2001; two hundred eighty-five thousand dollars
($285,000) per annum from January 1, 2002 to December 31, 2002; and two hundred
ninety-five thousand dollars ($295,000) per annum from January 1, 2003 to
December 31, 2003.

(c) Section 7(b)(iii) of the Agreement of Employment is hereby amended by
replacing the last sentence thereof with the following sentence:

"In the event that this Agreement is terminated pursuant to this subparagraph
(iii), Employee shall be entitled to payment on the Effective Termination Date
of an amount equal to (A) the basic salary that would be due under paragraph
3(a) for the twelve (12) month period following the Effective Termination Date,

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calculated as if the Employee were employed for such twelve (12) month period;
plus (B) such cash bonus compensation prorated to the Effective Termination Date
otherwise due Employee pursuant to paragraph 3(b); and (C) the benefits to be
paid to Employee pursuant to paragraph 3(c), 3(d) and 3(e) prorated to the
Effective Termination Date."

Section 2.

(a) You agree that in the case of a Saints Merger, the obligations of the
parties under the Agreement of Employment with respect to Section 2(a) thereof
will be satisfied if you (i) serve as Chief Operating Officer of the entity
("Parent") issuing shares of its capital stock in connection with such Saints
Merger and (ii) perform duties as are appropriate to such office and not
inconsistent therewith as may be assigned to you by the Chief Executive Officer
of Parent and as presented to the board of directors of Parent for informational
purposes.

(b) "Saints Merger" means a transaction that (i) results in (x) the merger,
consolidation or amalgamation or other business combination of Holdings with or
into the entity referred to by Holdings as "Saints" or a wholly-owned subsidiary
of Saints of (y) the sale, transfer, assignment, lease, conveyance or other
disposition, directly or indirectly, of all or substantially all the assets of
Holding and its subsidiaries, considered as a whole, to Saints and (ii) closes
prior to the date occurring 181 days after the signing of a definitive agreement
for such transaction.

Section 3. This Amendment shall not be effective unless shareholder approval
meeting the requirements of Section 280G(b)(5) of the Internal Revenue Code of
1986, as amended, is obtained.

Section 4.

(a) This Amendment may be executed in two or more counterparts, each of which
will be deemed an original but which together will constitute one and the same
instrument. Delivery of an executed counterpart of a signature page of this
Amendment by facsimile transmission shall be as effective as delivery of a
manually executed counterpart of this Amendment.

(b) All references to Section in this Amendment refer to Sections of this
Amendment, unless otherwise expressly provided for.

(c) All other provisions of the Agreement of Employment not amended hereby will
remain in full force and effect.

[signature page follows]

                                       2

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IN WITNESS WHEREOF, IWO and Holdings have caused this Amendment to be signed by
their respective officers hereunto duly authorized, and the Employee has
hereunto set his hand, effective as of the day and year first above written.

                            INDEPENDENT WIRELESS ONE
                                   CORPORATION

                         By: /s/ Timothy J. Medina
                            -------------------------------
                         Name: Timothy J. Medina
                         Title: Chief Financial Officer

                               IWO HOLDINGS, INC.

                        By: /s/ Timothy J. Medina
                           --------------------------------
                         Name: Timothy J. Medina
                         Title: Chief Financial Officer

                                    EMPLOYEE

                        /s/ Steven M. Nielsen
                        -----------------------------------
                        Steven M. Nielsen

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