EX-31 Rule 13a-14(d)/15d-14(d) Certifications.

 

I, Leah Nivison, certify that:

 

1. I have reviewed this report on Form 10-K and all reportson Form 10-D required to be filed in respect of the period covered by this report on Form 10-K of the GS Mortgage Securities Trust2015-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 a material fact necessary to make thestatements made, in light of the circumstances under which such statements were made, not misleading with respect to the periodcovered by this report;

 

3. Based on my knowledge, all of the distribution, servicingand other information required to be provided under Form 10-D for the period covered by this report is included in the ExchangeAct periodic reports;

 

4. Based on my knowledge and the servicer compliance statementsrequired in this report under Item 1123 of Regulation AB, and except as disclosed in the Exchange Act periodic reports, the servicershave fulfilled their obligations under the servicing agreements in all material respects; and

 

5. All of the reports on assessment of compliance with servicingcriteria for asset-backed securities and their related attestation reports on assessment of compliance with servicing criteriafor asset-backed securities required to be included in this report in accordance with Item 1122 of Regulation AB and Exchange ActRules 13a-18 and 15d-18 have been included as an exhibit to this report, except as otherwise disclosed in this report. Any materialinstances of noncompliance described in such reports have been disclosed in this report on Form 10-K.

 

In giving the certifications above, I have reasonably reliedon information provided to me by the following unaffiliated parties:

 

Wells Fargo Bank, National Association, as Master Servicer, LNRPartners, LLC, as Special Servicer, U.S. Bank National Association, as Trustee, U.S. Bank National Association, as CertificateAdministrator, U.S. Bank National Association, as Custodian, Pentalpha Surveillance LLC, as Operating Advisor, CoreLogic Solutions,LLC, as Servicing Function Participant, Berkeley Point Capital LLC d/b/a Newmark, as Primary Servicer, Wells Fargo Bank, NationalAssociation, as Primary Servicer for the Hammons Hotel Portfolio Mortgage Loan, LNR Partners, LLC, as Special Servicer for the HammonsHotel Portfolio Mortgage Loan, Deutsche Bank Trust Company Americas, as Trustee for the Hammons Hotel Portfolio Mortgage Loan, DeutscheBank Trust Company Americas, as Custodian for the Hammons Hotel Portfolio Mortgage Loan, Situs Holdings, LLC, as Operating Advisor forthe Hammons Hotel Portfolio Mortgage Loan, CoreLogic Solutions, LLC, as Servicing Function Participant for the Hammons Hotel PortfolioMortgage Loan, Wells Fargo Bank, National Association, as Primary Servicer for the Illinois Center Mortgage Loan, LNR Partners, LLC, asSpecial Servicer for the Illinois Center Mortgage Loan, Deutsche Bank Trust Company Americas, as Trustee for the Illinois Center MortgageLoan, Deutsche Bank Trust Company Americas, as Custodian for the Illinois Center Mortgage Loan, Situs Holdings, LLC, as Operating Advisorfor the Illinois Center Mortgage Loan, and CoreLogic Solutions, LLC, as Servicing Function Participant for the Illinois Center MortgageLoan.

 

Dated: March 24, 2022

 

/s/ Leah Nivison

 

Chief Executive Officer

(senior officer in charge of securitizationof the depositor)