Document:

Guaranty dated November 23, 2005

 Exhibit 10.9 
  
 GUARANTY 
  
 In order to induce VESTAL VENTURE CAPITAL, having its principal place of business in Boca Raton, Florida (“Lender”), to loan the
principal amount of One Hundred Seventy-Five Thousand and No/100 Dollars ($175,000.00) to I2 TELECOM INTERNATIONAL, INC., a Washington corporation (“Borrower”), evidenced by that certain Promissory Note executed by Borrower
contemporaneously herewith (the “Note”), PAUL R. ARENA (the “undersigned”) hereby irrevocably, unconditionally, and absolutely guarantees the due performance and punctual payment in full of all obligations and all costs,
including attorneys’ fees, arising out of Borrower’s obligations under the Note (all such obligations, costs, expenses and liabilities being hereinafter referred to as the “Obligations”), pursuant to the terms and conditions set
forth herein. 
  
 The Undersigned hereby waives diligence,
presentment, protest, notice of dishonor, extension of time of payment, and notice of acceptance of this Guaranty and hereby consents to any and all forbearances and extensions of time of payment of the Obligations and to any and all of the changes
in the terms, covenants and conditions thereof hereafter made or guaranteed. 
  
 The Undersigned agrees that this Guaranty shall constitute a guaranty of payment and not of collection and that, upon a reasonable determination by Lender that it will not be able to collect the Obligations in full or
without substantial delay from other sources, this Guaranty may be enforced by Lender at any time after forty-five (45) days after the Obligations become due and payable whether on the Maturity Date (as defined in the Note) or by acceleration
or otherwise, upon written notice to the Undersigned without first (i) making any effort whatsoever at collection of the Obligations from Borrower or any other party that may be liable therefore (including filing suit or proceeding to obtain or
assert a claim for judgment against Borrower or any such other party), the right to require Lender to take action against Borrower as provided in O.C.G.A. §10-7-24 being hereby expressly waived, or (ii) exercising or asserting any other
right or remedy that may be available in connection with the Obligations. 
  
 In the event of the Undersigned’s failure to pay the Obligations when due hereunder, the Undersigned shall pay all expenses of Lender actually incurred by Lender in enforcing and collecting under this Guaranty,
including reasonable attorneys’ fees and expenses. 
  
 No
delay or omission by Lender in exercising any of its rights, remedies, powers and privileges hereunder and no course of dealing between Lender, on the one hand, and Borrower, the Undersigned or any other person, on the other hand, shall be deemed a
waiver by Lender of any of its rights, remedies, powers, and privileges, even if such delay or omission is continuous or repeated; nor shall any single or partial exercise of any right, remedy, power or privilege preclude any other or further
exercise thereof by Lender or the exercise of any other right, remedy, power or privilege by Lender. 
  
 This Guaranty shall inure to the benefit of Lender and its successors and assigns, and shall be binding upon the Undersigned and his respective successors
and assigns. This instrument constitutes the entire agreement as to the subject matter contemplated hereby. 

 This instrument has been made and delivered in Georgia and shall be governed by the laws of Georgia. If
any provision of this instrument shall be prohibited by or invalid under such law, such provision shall be ineffective to the extent of such prohibition or invalidity, without invalidating the remainder of such provision or the remaining provisions
of this instrument. This instrument may be executed in counterparts and delivered by facsimile, each of which counterpart shall be deemed an original but all of which shall constitute one and the same instrument. 
  
 IN WITNESS WHEREOF, the Undersigned has executed and delivered this
Guaranty as of November 23, 2005. 
  

	
	  

	Paul R. Arena, Individually

  

	
	ACCEPTED:
	
	  

	Allan Lyons, Manager
	Vestal Venture Capital
	21st Century Strategic Investment Planning, LC - GP

  

 2Employment Agreement between us and Jeffrey P. Rydin

 Exhibit 10.1 
  
 December 5, 2005 
  
 Jeff Rydin 
 3303 Latania Drive 
 Tampa, FL 33618 
  
 Re: Additional Severance and Retention Benefits 
  
 Dear Jeff: 
  
 The purpose if this letter is to memorialize our
understanding regarding the amendment of the terms to your original employment with NuVasive, Inc. (the “Company”) contained in the offer letter dated November 19, 2005. For purposes of this letter, the term Fundamental Transaction shall
have the meaning set forth in the Company’s 2004 Equity Incentive Plan (the “Plan”). The term Involuntary Termination shall mean an involuntary Termination (as defined in the Plan) of service for reasons other than death, disability
or Cause (as defined in the Plan). 
  

	 	1.	Involuntary Termination within 12 months of Transaction. Upon your Involuntary Termination within 12 months following a Transaction (if, and only if, you are still providing
service to the Company or its successor, as applicable, at such time), the Company or its successor, as the case may be, shall pay you a cash payment equal to one hundred percent (100%) of your compensation earned (including any bonus with respect
to performance) during the most recently completed calendar year (“Compensation”). 

  

	 	2.	Involuntary Termination beyond 12 months of Transaction. Upon our Involuntary Termination beginning 12 months following a Transaction (if, and only if, you are still
providing service to the Company or its successor, as applicable, at such time), the Company or its successor, as the case may be, shall pay you a cash payment equal to seventy-five percent (75%) of your Compensation. 

  

	 	3.	Severance. In the event of your Involuntary Termination prior to a Transaction, in lieu of any other cash obligation, the Company shall pay you a cash payment equal to
seventy-five percent (75%) of your Compensation upon your execution of a release of all claims against the Company. 

  

	 	4.	Nonsolicitation. You agree that while providing service to the Company and for one (1) year following the date upon which you cease to provide service to the Company, you
will not, either directly or through others solicit or attempt to solicit, or hire or attempt to hire, any person (including any entity) who is an employee, consultant or independent contractor of the Company to terminate his, her or its
relationship with the Company in order to become an employee, consultant or independent contractor to or for any other person or entity. 

  
 For purposes of clarification, your employment with the Company will remain on an “at will” basis, meaning that (except for the obligations contemplated by this
letter or under the Plan) either you or the Company may terminate your employment at any time for any reason or no reason, without further obligation or liability. These terms are in lieu of and replace the current terms of any existing severance
obligations. The severance obligations set forth herein constitute the entirety of any severance obligation owed to you by the Company. This policy of at-will employment is the entire agreement as to the duration of your employment and may only be
modified in an express written agreement signed by an officer of the Company authorized by the Company’s Board of Directors and you. 
  
 This letter agreement shall be governed by and construed under the laws of the State of California as applied to agreements among California residents entered into and to
be performed entirely within California. 
  

									
	 	 	 	 	Very truly yours,
			
	 	 	 	 	 NUVASIVE, INC.

					
	 	 	 	 	 	 	By:	 	 /s/ Alexis V. Lukianov

	 	 	 	 	 	 	Alexis V. Lukianov
	 As Accepted and Agreed:
	 	 	 	 
				
	Dated:	 	 December 5, 2005
	 	 	 	 /s/ Jeff Rydin

	 	 	 	 	 	 	 Jeff RydinEmployment Agreement between us and Jason M. Hannon

 Exhibit 10.2 
  
 December 5, 2005 
  
 Jason Hannon 
 14648 Via Bergamo 
 San Diego, CA 92127 
  

	 	Re:	Additional Severance and Retention Benefits 

  
 Dear Jason: 
  
 The purpose of this letter is to memorialize our understanding regarding the amendment of the terms to your original employment with NuVasive, Inc. (the “Company”) contained in the offer letter dated
November 19, 2005. For purposes of this letter, the term Fundamental Transaction shall have the meaning set forth in the Company’s 2004 Equity Incentive Plan (the “Plan”). The term Involuntary Termination shall mean an
involuntary Termination (as defined in the Plan) of service for reasons other than death, disability or Cause (as defined in the Plan). 
  

	 	1.	Involuntary Termination within 12 months of Fundamental Transaction. Upon your Involuntary Termination within 12 months following a Fundamental Transaction (if, and only if,
you are still providing service to the Company or its successor, as applicable, at such time), the Company or its successor, as the case may be, shall pay you a cash payment equal to one hundred percent (100%) of your compensation earned
(including any bonus with respect to performance) during the most recently completed calendar year (“Compensation”). 

  

	 	2.	Involuntary Termination beyond 12 months of Fundamental Transaction. Upon our Involuntary Termination beginning 12 months following a Fundamental Transaction (if, and only
if, you are still providing service to the Company or its successor, as applicable, at such time), the Company or its successor, as the case may be, shall pay you a cash payment equal to seventy-five percent (75%) of your Compensation.

  

	 	3.	Severance. In the event of your Involuntary Termination prior to a Fundamental Transaction, in lieu of any other cash obligation, the Company shall pay you a cash payment
equal to seventy-five percent (75%) of your Compensation upon your execution of a release of all claims against the Company. 

  

	 	4.	Nonsolicitation. You agree that while providing service to the Company and for one (1) year following the date upon which you cease to provide service to the Company,
you will not, either directly or through others solicit or attempt to solicit, or hire or attempt to hire, any person (including any entity) who is an employee, consultant or independent contractor of the Company to terminate his, her or its
relationship with the Company in order to become an employee, consultant or independent contractor to or for any other person or entity. 

  
 For purposes of clarification, your employment with the Company will remain on an “at will” basis, meaning that (except for the obligations contemplated by this
letter or under the Plan) either you or the Company may terminate your employment at any time for any reason or no reason, without further obligation or liability. These terms are in lieu of and replace the current terms of any existing severance
obligations. The severance obligations set forth herein constitute the entirety of any severance obligation owed to you by the Company. This policy of at-will employment is the entire agreement as to the 

 
duration of your employment and may only be modified in an express written agreement signed by an officer of the Company authorized by the Company’s
Board of Directors and you. 
  
 This letter agreement shall be governed by and
construed under the laws of the State of California as applied to agreements among California residents entered into and to be performed entirely within California. 
  

									
	 	 	 	 	 	 	Very truly yours,
				
	 	 	 	 	 	 	NUVASIVE, INC.
					
	 	 	 	 	 	 	By:	 	/s/ Alexis V. Lukianov
	 	 	 	 	 	 	Alexis V. Lukianov
	 	 	 	 	 	 	 	 	 
				
	            As Accepted and Agreed:	 	 	 	 	 	 
				
	 Dated:
	 	December 5, 2005	 	 	 	/s/ Jason Hannon
	 	 	 	 	 	 	 Jason Hannon

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