SEC FORM 3 SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
 
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1. Name and Address of Reporting Person*
Reiff Isabel S.

(Last) (First) (Middle)
9300 LEE HIGHWAY

(Street)
FAIRFAX VA 22031

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
03/08/2010
3. Issuer Name and Ticker or Trading Symbol
ICF International, Inc. [ ICFI ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Senior Vice President
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock 7,872 D
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units (1) (1) Common Stock 1,666 (2) D
Restricted Stock Units (3) (3) Common Stock 3,821 (2) D
Explanation of Responses:
1. On November 12, 2007, 5,000 restricted stock units were granted pursuant to the 2006 Long-Term Equity Incentive Plan. These restricted stock units vest over a period of 3 years at 33 1/3% per year beginning one year from the date of grant. At the time of this filing, 1,666 restricted stock units remain unvested.
2. Each restricted stock unit is the economic equivalent of one share of ICF International, Inc. Common Stock.
3. On May 8, 2009, 3,821 restricted stock units were granted pursuant to the 2006 Long-Term Equity Incentive Plan. These restricted stock units vest over a period of 5 years at 20% per year beginning one year from the date of grant.
/s/ James J. Maiwurm, Attorney-in-fact 03/11/2010
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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ICF INTERNATIONAL, INC.
LIMITED POWER OF ATTORNEY
FOR SECTION 16 REPORTING OBLIGATIONS

	Know all by these presents, that the undersigned hereby makes, constitutes and appoints
each of Sudhakar Kesavan, Alan Stewart, Terrance McGovern and James J. Maiwurm, acting
individually, as the undersigned's true and lawful attorney-in-fact, with full power and authority
 as hereinafter described on behalf of and in the name, place and stead of the undersigned to:

	(1)	prepare, execute, acknowledge, deliver and file Forms 3, 4, and 5 (including any
amendments thereto) with respect to the securities of ICF International, Inc., a Delaware
corporation (the "Company"), with the United States Securities and Exchange Commission, any
national securities exchanges or automated trading systems, and the Company, as considered
necessary or advisable under Section 16(a) of the Securities Exchange Act of 1934 and the rules
and regulations promulgated thereunder, as amended from time to time (the "Exchange Act");

	(2)	seek or obtain, as the undersigned's representative and on the undersigned's
behalf, information on transactions in the Company's securities from any third party, including
brokers, employee benefit plan administrators and trustees, and the undersigned hereby
authorizes any such person to release any such information to the undersigned and approves and
ratifies any such release of information; and

	(3)	perform any and all other acts which in the discretion of such attorney-in-fact are
necessary or desirable for and on behalf of the undersigned in connection with the foregoing.

The undersigned acknowledges that:

	(1)	this Limited Power of Attorney authorizes, but does not require, each such
attorney-in-fact to act in their discretion on information provided to such attorney-in-fact without
independent verification of such information;

	(2)	any documents prepared and/or executed by either such attorney-in-fact on behalf
of the undersigned pursuant to this Limited Power of Attorney will be in such form and will
contain such information and disclosure as such attorney-in-fact, in his or her discretion, deems
necessary or desirable;

	(3)	neither the Company nor either of such attorneys-in-fact assumes (i) any liability
for the undersigned's responsibility to comply with the requirement of the Exchange Act, (ii) any
liability of the undersigned for any failure to comply with such requirements, or (iii) any
obligation or liability of the undersigned for profit disgorgement under Section 16(b) of the
Exchange Act; and

	(4)	this Limited Power of Attorney does not relieve the undersigned from
responsibility for compliance with the undersigned's obligations under the Exchange Act,
including, without limitation, the reporting requirements under Section 16 of the Exchange Act.

The undersigned hereby gives and grants each of the foregoing attorneys-in-fact full
power and authority to do and perform all and every act and thing whatsoever requisite,
necessary or appropriate to be done in and about the foregoing matters as fully to all intents and
purposes as the undersigned might or could do if present, hereby ratifying all that each such
attorney-in-fact of, for and on behalf of the undersigned, shall lawfully do or cause to be done by
virtue of this Limited Power of Attorney.

This Limited Power of Attorney shall remain in full force and effect until revoked by the
undersigned in a signed writing delivered to each such attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Limited Power of Attorney to
be executed as of this 12th day of January, 2010.

/s/ Isabel Reiff
Signature

Isabel Reiff
Print Name