Attached files
Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in Registration Statement No. 333-160461 on Form S-8 of our reports dated March 16, 2011, relating to the consolidated financial statements and financial statement schedule of Medidata Solutions, Inc. (the Company) and the effectiveness of the Companys internal control over financial reporting dated March 16, 2011, appearing in this Annual Report on Form 10-K of the Company for the year ended December 31, 2010.
/s/ DELOITTE & TOUCHE LLP
New York, New York
March 16, 2011