Attached files

file filename
EXCEL - IDEA: XBRL DOCUMENT - SERVICESOURCE INTERNATIONAL, INC.Financial_Report.xls
EX-31.2 - EX-31.2 - SERVICESOURCE INTERNATIONAL, INC.d510481dex312.htm
EX-10.1 - EX-10.1 - SERVICESOURCE INTERNATIONAL, INC.d510481dex101.htm
EX-31.1 - EX-31.1 - SERVICESOURCE INTERNATIONAL, INC.d510481dex311.htm
EX-32.2 - EX-32.2 - SERVICESOURCE INTERNATIONAL, INC.d510481dex322.htm
10-Q - FORM 10-Q - SERVICESOURCE INTERNATIONAL, INC.d510481d10q.htm

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Based on my knowledge, I, Michael A. Smerklo, certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of ServiceSource International, Inc. on Form 10-Q for the quarter ended March 31, 2013, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and that information contained in such Quarterly Report on Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of ServiceSource International, Inc.

 

Date: May 10, 2013   By:  

/s/ MICHAEL A. SMERKLO

    Name: Michael A. Smerklo
   

Title: Chairman of the Board and Chief

Executive Officer