Unassociated Document

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

(Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO RULES 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED

PURSUANT TO RULE 13d-2(b)

(Amendment No. __)*

INTERSTATE HOTELS & RESORTS, INC.

(Name of Issuer)

Common Stock, $0.01 par value

(Title of Class of Securities)

46088S106

(CUSIP Number)

March 12, 2009

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

£ Rule 13d-1(b)

x Rule 13d-1(c)

£ Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 46088S106

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Page 2 of 5 Pages

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

Horacio Rozenblum

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

(a) £

(b) £

3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Argentina
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER 2,220,624 Shares
		6	SHARED VOTING POWER 0
		7	SOLE DISPOSITIVE POWER 2,220,624 Shares
		8	SHARED DISPOSITIVE POWER 0
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,220,624 Shares
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) £
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.0%
12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) IN

CUSIP No. 46088S106

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Page 3 of 5 Pages

Item 1(a).

Name of Issuer:

Interstate Hotels & Resorts, Inc. (“Issuer”)

Item 1(b.)

Address of Issuer’s Principal Executive Offices:

4501 North Fairfax Drive, Suite 500, Arlington, Virginia 22203

Item 2(a).

Name of Persons Filing:

Horacio Rozenblum (“Rozenblum”)

Item 2(b).

Address of Principal Business Office or, if None, Residence:

The principal business address of Rozenblum is San Martin 140, 4th Floor, Buenos Aires, Argentina 1004.

Item 2(c).

Citizenship:

Rozenblum is a citizen of Argentina.

Item 2(d).

Title of Class of Securities:

Common Stock, par value $.01 per share

Item 2(e).

CUSIP Number:

46088S106

Item 3.

If This Statement is Filed Pursuant to Rules 13d-1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a:

(a)

Broker or dealer registered under Section 15 of the Exchange Act;

(b)

Bank as defined in Section 3(a)(6) of the Exchange Act;

(c)

Insurance company as defined in Section 3(a)(19) of the Exchange Act;

(d)

Investment company registered under Section 8 of the Investment Company Act;

(e)

An investment adviser in accordance with Rule 13d-1(b)(ii)(E);

(f)

An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);

(g)

A parent holding company or control person in accordance with Rule 13d-1(b)(ii)(G)

(h)

A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act;

(i)

A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;

(j)

Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

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Page 4 of 5 Pages

Item 4.

Ownership

(a)

Amount beneficially owned:

Rozenblum beneficially owns 2,220,624 shares of common stock.

(b)

Percent of Class:

7.0%, based on 31,841,316 as reported in the Issuer’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2008.

(c)

Number of shares as to which such person has:

(i)

Sole power to vote or to direct the vote:

2,220,624 shares of common stock

(ii)

Shared power to vote or to direct the vote:

0 shares of common stock

(iii)

Sole power to dispose or to direct the disposition of:

2,220,624 shares of common stock

(iv)

Shared power to dispose or to direct the disposition of:

0 shares of common stock

Item 5.

Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following: £

Item 6.

Ownership of More than Five Percent on Behalf of Another Person.

None.

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.

None.

Item 8.

Identification and Classification of Members of the Group.

None.

Item 9.

Notice of Dissolution of Group.

None.

Item 10.

Certifications.

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

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Page 5 of 5 Pages

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: March 20, 2009

/s/ Horacio Rozenblum

Horacio Rozenblum