**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 thisquarterly report on Form 10-Q of Reckson Operating Partnership, L.P.;

 

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

 

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) andinternal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and15d-15(f) for the Registrant and we have:

 

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 significantdeficiencies and material weaknesses in the design or operation of internalcontrol over financial reporting which are reasonably likely to adverselyaffect the Registrant’s ability to record, process, summarize and reportfinancial information; and

 

b)             any fraud, whether ornot material, that involves management or other employees who have asignificant role in the Registrant’s internal control over financial reporting.

 
| Date: August 8,  2008 |                             |
|----------------------------|----------------------------------|
|                       | /s/ MARC HOLLIDAY                |
|                       | Marc Holliday                    |
|                       | President                        |
|                       | of Wyoming Acquisition  GP LLC,  |
|                       | the sole general  partner of the |
|                       | Registrant                       |

 

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