**Exhibit 31**

 

 

I, Leah Nivison, certifythat:

 

1. I have reviewed thisreport on Form 10-K and all reports on Form 10-D required to be filed in respect of the period covered by this report on Form10-K of the GS Mortgage Securities Trust 2015-GC34 (the “Exchange Act periodic reports”);

 

2. Based on my knowledge,the Exchange Act periodic reports, taken as a whole, do not contain any untrue statement of a material fact or omit to state amaterial fact necessary to make the statements made, in light of the circumstances under which such statements were made, notmisleading with respect to the period covered by this report;

 

3. Based on my knowledge,all of the distribution, servicing and other information required to be provided under Form 10-D for the period covered by thisreport is included in the Exchange Act periodic reports;

 

4. Based on my knowledgeand the servicer compliance statements required in this report under Item 1123 of Regulation AB, and except as disclosed in theExchange Act periodic reports, the servicers have fulfilled their obligations under the servicing agreements in all material respects;and

 

5. All of the reportson assessment of compliance with servicing criteria for asset-backed securities and their related attestation reports on assessmentof compliance with servicing criteria for asset-backed securities required to be included in this report in accordance with Item1122 of Regulation AB and Exchange Act Rules 13a-18 and 15d-18 have been included as an exhibit to this report, except as otherwisedisclosed in this report. Any material instances of noncompliance described in such reports have been disclosed in this reporton Form 10-K.

 

In giving the certificationsabove, I have reasonably relied on information provided to me by the following unaffiliated parties:

 

Wells Fargo Bank, NationalAssociation, as Master Servicer, Midland Loan Services, a Division of PNC Bank, National Association, as Special Servicer, U.S.Bank National Association, as Trustee, Certificate Administrator and Custodian, Pentalpha Surveillance LLC, as Operating Advisor,CoreLogic Commercial Real Estate Services, Inc., as Servicing Function Participant, National Tax Search, LLC, as Servicing FunctionParticipant, Berkeley Point Capital LLC, as Primary Servicer, Wells Fargo Bank, National Association, as Primary Servicer forthe Illinois Center Mortgage Loan, LNR Partners, LLC, as Special Servicer for the Illinois Center Mortgage Loan, Deutsche BankTrust Company Americas, as Trustee for the Illinois Center Mortgage Loan, Citibank, N.A., as Certificate Administrator for theIllinois Center Mortgage Loan, Deutsche Bank Trust Company Americas, as Custodian for the Illinois Center Mortgage Loan, SitusHoldings, LLC, as Operating Advisor for the Illinois Center Mortgage Loan, CoreLogic Commercial Real Estate Services, Inc., asServicing Function Participant for the Illinois Center Mortgage Loan, National Tax Search, LLC, as Servicing Function Participantfor the Illinois Center Mortgage Loan, Wells Fargo Bank, National Association, as Primary Servicer for the Hammons Hotel PortfolioMortgage Loan, LNR Partners, LLC, as Special Servicer for the Hammons Hotel Portfolio Mortgage Loan, Deutsche Bank Trust CompanyAmericas, as Trustee for the Hammons Hotel Portfolio Mortgage Loan, Citibank, N.A., as Certificate Administrator for the HammonsHotel Portfolio Mortgage Loan, Deutsche Bank Trust Company Americas, as Custodian for the Hammons Hotel Portfolio Mortgage Loan,Situs Holdings, LLC, as Operating Advisor for the Hammons Hotel Portfolio Mortgage Loan, CoreLogic Commercial Real Estate Services,Inc., as Servicing Function Participant for the Hammons Hotel Portfolio Mortgage Loan, National Tax Search, LLC, as ServicingFunction Participant for the Hammons Hotel Portfolio Mortgage Loan, Wells Fargo Bank, National Association, as Primary Servicerfor the Hyatt Place Texas Portfolio Mortgage Loan, LNR Partners, LLC, as Special Servicer for the Hyatt Place Texas PortfolioMortgage Loan, Wilmington Trust, National Association, as Trustee for the Hyatt Place Texas Portfolio Mortgage Loan, Wells FargoBank, National Association, as Certificate Administrator for the Hyatt Place Texas Portfolio Mortgage Loan, Wells Fargo Bank,National Association, as Custodian for the Hyatt Place Texas Portfolio Mortgage Loan, Pentalpha Surveillance LLC, as Senior TrustAdvisor for the Hyatt Place Texas Portfolio Mortgage Loan, CoreLogic Commercial Real Estate Services, Inc., as Servicing FunctionParticipant for the Hyatt Place Texas Portfolio Mortgage Loan, and National Tax Search, LLC, as Servicing Function Participantfor the Hyatt Place Texas Portfolio Mortgage Loan.

 

Dated:March 25, 2016

 

/s/Leah Nivison                           

 ChiefExecutive Officer

(seniorofficer in charge of securitization of the depositor)