**Exhibit 31.1**

 

**CERTIFICATION**

 

**Reckson Operating Partnership, L. P.**

 

**Certification of Marc Holliday, Pursuant to Rule 13a– 14(a)/15(d) – 14(a)**

 

I,Marc Holliday, certify that:

 

1.   I have reviewed this quarterlyreport on Form 10-Q of Reckson Operating Partnership, L.P.;

 

2.   Based on my knowledge, thisreport does not contain any untrue statement of a material fact or omit tostate a material fact necessary to make the statements made, in light of thecircumstances under which such statements were made, not misleading withrespect to the period covered by this report;

 

3.   Based on my knowledge, thefinancial statements, and other financial information included in this report,fairly present in all material respects the financial condition, results of operationsand cash flows of the Registrant as of, and for, the periods presented in thisreport;

 

4.   The Registrant’s othercertifying officer and I are responsible for establishing and maintainingdisclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and15d-15(e)) and internal control over financial reporting (as defined inExchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant andhave:

 

a)         designedsuch disclosure controls and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure that materialinformation relating to the Registrant, including its consolidatedsubsidiaries, is made known to us by others within those entities, particularlyduring the period in which this report is being prepared;

 

b)         designedsuch internal control over financial reporting, or caused such internal controlover financial reporting to be designed under our supervision, to providereasonable assurance regarding the reliability of financial reporting and thepreparation of financial statements for external purposes in accordance withgenerally accepted accounting principles;

 

c)         evaluatedthe effectiveness of the Registrant’s disclosure controls and procedures andpresented in this report our conclusions about the effectiveness of thedisclosure controls and procedures, as of the end of the period covered by thisreport based on such evaluation; and

 

d)         disclosedin this report any change in the Registrant’s internal control over financialreporting that occurred during the Registrant’s most recent fiscal quarter (theRegistrant’s fourth fiscal quarter in the case of an annual report) that hasmaterially affected, or is reasonably likely to materially affect, theRegistrant’s internal control over financial reporting; and

 

5.   The Registrant’s othercertifying officer and I have disclosed, based on our most recent evaluation ofinternal control over financial reporting, to the Registrant’s auditors and theaudit committee of the Registrant’s board of directors (or persons performingthe equivalent functions):

 

a)              all significant deficienciesand material weaknesses in the design or operation of internal control overfinancial reporting which are reasonably likely to adversely affect theRegistrant’s ability to record, process, summarize and report financialinformation; and

 

b)             any fraud, whether or notmaterial, that involves management or other employees who have a significantrole in the        Registrant’s internalcontrol over financial reporting.

 
| Date:  August 12, 2010 |                             |
|-----------------------------|----------------------------------|
|                        | /s/  Marc Holliday               |
|                        | Marc  Holliday                   |
|                        | President                        |
|                        | of  Wyoming Acquisition GP LLC,  |
|                        | the  sole general partner of the |
|                        | Registrant                       |

 

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