Exhibit 10.30  GLOBAL GP LLC  AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT  THIS AMENDMENT NO. 1 TO
EMPLOYMENT AGREEMENT (this Amendment) is made and entered into this February 4,
2009 by and between Global GP LLC, a Delaware limited liability company (the Company),
and Eric S. Slifka (the Executive). 
Capitalized terms used but not otherwise defined herein shall have the
meanings ascribed to such terms in that certain Employment Agreement, made as
of December 31, 2008, by and between the Company and the Executive (the Employment
Agreement).  WHEREAS, , the Company and the Executive desire to
make certain modifications to the Employment Agreement as set forth below, and
in accordance with Section 15 of the Employment Agreement.  NOW, THEREFORE, in consideration of the mutual promises and
agreements set forth herein, and for other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the parties hereto,
each intending to be legally bound, hereby agree as follows:  1.Amendment to Section 7(g)(iii) of
the Employment Agreement.  Section 7(g)(iii) of the Employment
Agreement is hereby amended by deleting such section in its entirety and
replacing it with the following:  (iii)          Constructive
Termination means termination of this Agreement by the Executive as a
result of any (A) substantial diminution, without the Executives written
consent, in the Executives working conditions consisting of (1) a
material reduction in the Executives duties and responsibilities, (2) any
change in the reporting structure so that the Executive no longer reports
solely to the Board, or (3) a relocation of the Executives place of work
further than forty (40) miles from Waltham, Massachusetts, or (B) a
material breach of this Agreement by the Company.To be able to terminate his employment with the Company for
Constructive Termination, the Executive must provide notice to the Company of
the existence of any of the conditions set forth in the immediately preceding
sentence within 90 days of the initial existence of such condition(s), and the
Company must fail to remedy such condition(s) within 30 days of such
notice.  In no event shall the Date of
Termination in connection with a Constructive Termination occur any later than
one year following the initial existence of the condition(s) constituting
a Constructive Termination hereunder.  2.             Amendment to Section 7(g)(iv) of
the Employment Agreement.  Section 7(g)(iv) of the Employment Agreement
is hereby amended by deleting such section in its entirety and replacing it
with the following:


(iv)          Disability
shall mean a physical or mental condition which (A) renders the Executive,
with or without reasonable accommodation, unable to engage in any substantial
gainful activity by reason of any medically determinable physical or mental
impairment which can be expected to result in death or can be expected to last
for a continuous period of not less than 12 months, or (B) by reason of
any medically determinable physical or mental impairment which can be expected
to result in death or can be expected to last for a continuous period of not
less than 12 months, results in the Executive receiving income replacement
benefits for a period of not less than three (3) months under an accident
and health plan covering employees of the Company.  3.             Captions.  The captions of this Amendment are for
convenience and reference only and in no way define, describe, extend or limit
the scope or intent of this Amendment, or the intent of any provision hereof.  4.             Choice of Law.  This Amendment shall be governed by and
construed in accordance with the laws of the Commonwealth of Massachusetts,
other than conflicts of law provisions thereof.  5.             Severability.  The provisions of this Amendment are
severable, and the invalidity of any provision shall not affect the validity of
any other provision.  6.             Counterparts;
Facsimile.  This Amendment may be
executed and delivered by facsimile signature and in counterparts, each of
which shall be deemed an original, but all of which together shall constitute
one and the same instrument.  7.             Entire Agreement.  This Amendment constitutes the full and
entire understanding and agreement between the parties with respect to this
Amendment. Except as
otherwise specifically amended herein, the Employment Agreement shall remain
unchanged, in effect and in full force.  IN WITNESS WHEREOF, the parties have duly executed this
Amendment as of the date first written above.   GLOBAL GP LLCBy:
  /s/
  Thomas J. HollisterName:
  Thomas J. HollisterTitle:
  Chief Financial Officer
  and Chief Operating OfficerERIC S. SLIFKA/s/ Eric Slifka  2