Document:

Exhibit 10.13

Exhibit 10.13

                                 NUTRA
                                      PHARMA
                                           CORP.

                 1829 Corporate Drive, Boynton Beach, FL 33426
                    Office (954) 509-0911  Fax (866) 744-3655

February 14, 2005

Dr. Tan Khandaker
387 Park Avenue South
Third floor
New York, NY 10016

Dear Dr. Khandaker:

Please allow this letter to serve as a mutual Agreement between Nutra Pharma
Corporation, a public California Corporation (OTCBB: NPHC) and yourself - Dr.
Tan Khandaker, an individual.

This is to certify that Dr. Tan Khandaker will be working on a full-time basis
as a consultant to the company in the areas of Business Development, Mergers &
Acquisitions, Partnering and Licensing for the FY2005.

Based on results and the FY2005 performance the retainer can be renegotiated
before expiration.

In consideration of your services as a Consultant to Nutra Pharma, the Company
will advance a monthly retainer of $10,000. This equates to $110,000 for FY2005.
You warrant that you are working in a full-time capacity for the Company and
that you will keep the Company informed of your actions. The Company warrants
that they will use your services as needed, verifying your availability for each
project.

This letter represents the entire Agreement. Any claims arising from a failure
to comply with the terms of this Agreement must be settled through mutual
Arbitration under the laws of the State of Florida.

Sincerely,

/s/ Rik J Deitsch
Rik J Deitsch
Chief Executive Officer

Accepted

Tan Khandaler, MDSecured Promissory Note

 Exhibit 10.1 
  
 THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR THE SECURITIES LAWS
OF ANY STATE, AND HAVE BEEN ACQUIRED FOR INVESTMENT AND NOT WITH A VIEW TO, OR IN CONNECTION WITH, THE SALE OR DISTRIBUTION THEREOF. NO SUCH SALE OR DISTRIBUTION MAY BE EFFECTED WITHOUT AN EFFECTIVE REGISTRATION STATEMENT RELATED THERETO OR AN
OPINION OF COUNSEL IN A FORM SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR THE APPLICABLE SECURITIES LAWS OF ANY STATE. 
  
 SECURED PROMISSORY NOTE 
  

			
	 $600,000.00
	  	April 28, 2005
	 	  	Clearwater, Florida

  
 For value received,
Digital Lightwave, Inc., a Delaware corporation (the “Company”), promises to pay to Optel Capital, LLC, a Delaware limited liability company (the “Holder”), or its registered assigns, the principal sum of Six
Hundred Thousand Dollars ($600,000.00). Interest shall accrue from the date of this Note on the unpaid principal amount at a rate equal to 10.0% per annum, compounded annually. The interest rate shall be computed on the basis of the actual number of
days elapsed and a year of 360 days. This Note is subject to the following terms and conditions. 
  
 1. Maturity. 
  
 (a) Principal and any accrued but unpaid interest under this Note shall be due and payable upon demand by the Holder at any time after May 31, 2005.

  
 (b) Notwithstanding the foregoing, the entire unpaid principal
sum of this Note, together with accrued and unpaid interest thereon, shall become immediately due and payable upon demand by the Holder at any time on or following the occurrence of any of the following events: 
  
 (i) the sale of all or substantially all of the Company’s assets, or
any merger or consolidation of the Company with or into another corporation; other than a merger or consolidation in which the holders of more than 50% of the shares of capital stock of the Company outstanding immediately prior to such transaction
continue to hold (either by the voting securities remaining outstanding or by their being converted into voting securities of the surviving entity) more than 50% of the total voting power represented by the voting securities of the Company, or such
surviving entity, outstanding immediately after such transaction; 
  
 (ii) the inability of the Company to pay its debts as they become due; 

  
 (iii) the dissolution,
termination of existence, or appointment of a receiver, trustee or custodian, for all or any material part of the property of, assignment for the benefit of creditors by, or the commencement of any proceeding by the Company under any reorganization,
bankruptcy, arrangement, dissolution or liquidation law or statute of any jurisdiction, now or in the future in effect; 
  
 (iv) the execution by the Company of a general assignment for the benefit of creditors; 
  
 (v) the commencement of any proceeding against the Company under any reorganization, bankruptcy, arrangement, dissolution
or liquidation law or statute of any jurisdiction, now or in the future in effect, which is not cured by the dismissal thereof within ninety (90) days after the date commenced; or 
  
 (vi) the appointment of a receiver or trustee to take possession of the property or assets of the Company. 
  
 2. Payment; Prepayment. All payments shall be made in lawful
money of the United States of America at such place as the Holder hereof may from time to time designate in writing to the Company. Payment shall be credited first to the accrued interest then due and payable and the remainder applied to principal.
Prepayment of this Note may be made at any time without penalty. 
  
 3. Transfer; Successors and Assigns. The terms and conditions of this Note shall inure to the benefit of and be binding upon the respective successors and assigns of the parties. This Note may be transferred only upon
surrender of the original Note for registration of transfer, duly endorsed, or accompanied by a duly executed written instrument of transfer in form satisfactory to the Company. Thereupon, a new note for the same principal amount and accrued
interest will be issued to, and registered in the name of, the transferee. Interest and principal are payable only to the registered holder of this Note. 
  
 4. Governing Law. This Note and all acts and transactions pursuant hereto and the rights and obligations of the parties hereto shall be
governed, construed and interpreted in accordance with the laws of the State of Florida, without giving effect to principles of conflicts of law. 
  
 5. Notices. Any notice required or permitted by this Agreement shall be in writing and shall be deemed sufficient upon receipt, when
delivered personally or by courier, overnight delivery service or confirmed facsimile, or 48 hours after being deposited in the U.S. mail as certified or registered mail with postage prepaid, if such notice is addressed to the party to be notified
at such party’s address or facsimile number as set forth below or as subsequently modified by written notice. 
  
 6. Amendments and Waivers. Any term of this Note may be amended only with the written consent of the Company and the Holder. Any
amendment or waiver effected in accordance with this Section 6 shall be binding upon the Company, each Holder and each transferee of this Note. 
  

 -2- 

  
 7. Officers and
Directors Not Liable. In no event shall any officer or director of the Company be liable for any amounts due or payable pursuant to this Note. 
  
 8. Security Interest. This Note is secured by all of the assets of the Company in accordance with the Twenty Second Amended and Restated
Security Agreement by and between the Company and the Holder dated as of September 16, 2004 (the “Security Agreement”). In case of an Event of Default (as defined in the Security Agreement), the Holder shall have the rights set
forth in the Security Agreement. 
  
 9. Counterparts.
This Note may be executed in any number of counterparts, each of which will be deemed to be an original and all of which together will constitute a single agreement. 
  
 10. Action to Collect on Note. If action is instituted to collect on this Note, the Company promises to pay
all costs and expenses, including reasonable attorney’s fees, incurred in connection with such action. 
  
 11. Loss of Note. Upon receipt by the Company of evidence satisfactory to it of the loss, theft, destruction or mutilation of this Note or
any Note exchanged for it, and indemnity satisfactory to the Company (in case of loss, theft or destruction) or surrender and cancellation of such Note (in the case of mutilation), the Company will make and deliver in lieu of such Note a new Note of
like tenor. 
  
 [Remainder of this page intentionally left
blank.] 
  

 -3- 

 This Note was entered into as of the date set forth above. 
  

			
	COMPANY:
	
	DIGITAL LIGHTWAVE, INC.
		
	By:	 	 /s/ ROBERT F. HUSSEY

	 	 	Robert F. Hussey
	 	 	Interim President and Chief Executive Officer

  
 AGREED TO AND ACCEPTED:

  
 OPTEL CAPITAL, LLC 
  

			
	By:	 	 /s/ PAUL RAGAINI

	Name:	 	Paul Ragaini
	Title:	 	Chief Financial OfficerMEMORANDUM DATED APRIL 27, 2005

 Exhibit 10.01 
  

			
		
	Date:	  	April 27, 2005
		
	To:	  	Bill Leighton
		
	From:	  	Bill Ingram, Chairman of the Compensation Committee of the Board of Directors
		
	Subject:	  	Initial Terms of Employment

  
 Bill: 
  
 I am pleased to offer you the full time position of President and Chief Executive Officer of
Avici Systems Inc (“Avici”), reporting to the Board of Directors. Your bi-weekly base salary will be $11,538.47, which annualized is $300,000.22. In addition, you will be eligible to receive an annual bonus with a target of 35% of your
annual base pay at the discretion of the Compensation Committee of Avici’s Board of Directors. 
  
 You will also be granted a non-qualified option to purchase 300,000 shares of Avici common stock with an exercise price per share equal to the fair market value of the Avici common stock on the date of grant. The
stock option will vest on a per month basis of 2.0833%. In addition, upon the occurrence of a change of control of Avici, you will receive accelerated vesting of 50% of any unvested stock options. Also, in connection with a change of control, if you
are terminated without cause or suffer a reduction in responsibility, position, or compensation, you will receive accelerated vesting of all your remaining unvested stock options. This grant is subject to the terms and conditions of Avici’s
2000 Stock Option and Incentive Plan, as amended (the “Plan”). The term ‘change of control’ used in this memorandum shall have the meaning of the term ‘acquisition’ as set forth in the Plan. 
  
 In the event of termination without cause, you will receive twelve months continuation of
salary and benefits. Also, in the event you terminate your employment with Avici following a change of control of Avici that brings a reduction in your responsibility, position, or compensation, or you are terminated without cause following a change
of control of Avici, you will receive twelve months continuation of salary and benefits. 
  
 Avici will provide a housing allowance, not to exceed $3,000 per month, for a location within a reasonable commuting distance to Avici’s headquarters. 
  
 You will be eligible to participation in Avici’s benefit programs which offers two medical insurance plans to choose from, Blue
Cross/Blue Shield of New England-HMO and Blue Cross/Blue Shield-PPO. Other benefits include Delta Dental plan with orthodontia coverage, a Fidelity 401(k) program, a pre-tax medical and dependent care program, a vision plan, life insurance,
supplemental life insurance, short and long-term disability benefits, an Employee Stock Purchase Plan, a legal assistance program, and other optional programs. Avici will also provide you 25 accrued vacation days and 10 holidays days plus 1 floater
day each year. Please note that Avici reserves the right to change, modify or discontinue any of its current benefits plans, providers and policies in the future. 
  
 Please understand that these terms of employment do not constitute a contract of employment for any particular period or a guarantee of
continued employment. Our relationship is one of voluntary employment, “at will”. While we hope our relationship will be mutually beneficial, it should be recognized that you will retain your right to terminate your employment at any time
for any reason and that Avici will retain the same right. In accepting these terms, you represent that you have not relied upon any agreements or representations, written or oral, express or implied, with respect to your employment that are not
expressly set forth in this memorandum.

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00083-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00083-of-00352.parquet"}], [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00083-of-00352.parquet"}]]