EX‐31

 

Rule13a-14(d)/15d-14(d) Certifications.

 

I,Leah Nivison, certify that:

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| 1.     | I have reviewed this report  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 Form 10-K of the GS Mortgage Securities  Trust 2015-GS1 (the "Exchange Act periodic reports");                                                                                                                                                                                                                                                                                                                         |
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| 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 the statements made, in light of the circumstances under which such  statements were made, not misleading with respect to the period covered by  this report;                                                                                                                                                                                                                           |
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| 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 this report is included in the  Exchange Act periodic reports;                                                                                                                                                                                                                                                                                                                                                               |
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| 4.     | Based on my knowledge and the  servicer compliance statements required in this report under Item 1123 of  Regulation AB, and except as disclosed in the Exchange Act periodic reports,  the servicers have fulfilled their obligations under the servicing agreements  in all material respects; and                                                                                                                                                                                                                                                                             |
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| 5.     | All of the reports on  assessment of compliance with servicing criteria for asset-backed securities  and their related attestation reports on assessment of compliance with  servicing criteria for asset-backed securities required to be included in  this report in accordance with Item 1122 of Regulation AB and Exchange Act  Rules 13a-18 and 15d-18 have been included as an exhibit to this report,  except as otherwise disclosed in this report. Any material instances of  noncompliance described in such reports have been disclosed in this report on  Form 10-K. |
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In giving the certificationsabove, I have reasonably relied on information provided to me by the followingunaffiliated parties:Midland Loan Services, a Division of PNC Bank, National Association, as MasterServicer, Wells Fargo Bank, National Association, as Special Servicer,Wilmington Trust, National Association, as Trustee, Wells Fargo Bank, NationalAssociation, as Certificate Administrator, Wells Fargo Bank, NationalAssociation, as Custodian, Situs Holdings, LLC, as Operating Advisor, BerkeleyPoint Capital LLC, as Primary Servicer, Wells Fargo Bank, National Association,as Primary Servicer for the Hammons Hotel Portfolio Mortgage Loan, LNRPartners, LLC, as Special Servicer for the Hammons Hotel Portfolio MortgageLoan, Deutsche Bank Trust Company Americas, as Trustee for the Hammons HotelPortfolio Mortgage Loan, Citibank, N.A., as Certificate Administrator for theHammons Hotel Portfolio Mortgage Loan, Deutsche Bank Trust Company Americas, asCustodian for the Hammons Hotel Portfolio Mortgage Loan, Situs Holdings, LLC,as Operating Advisor for the Hammons Hotel Portfolio Mortgage Loan, CoreLogicCommercial Real Estate Services, Inc., as Servicing Function Participant forthe Hammons Hotel Portfolio Mortgage Loan, National Tax Search, LLC, asServicing Function Participant for the Hammons Hotel Portfolio Mortgage Loan,Wells Fargo Bank, National Association, as Primary Servicer for the DoubleTreeHotel Universal Mortgage Loan, Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer for the DoubleTree Hotel UniversalMortgage Loan, U.S. Bank National Association, as Trustee for the DoubleTree HotelUniversal Mortgage Loan, U.S. Bank National Association, as CertificateAdministrator for the DoubleTree Hotel Universal Mortgage Loan, U.S. BankNational Association, as Custodian for the DoubleTree Hotel Universal MortgageLoan, Pentalpha Surveillance LLC, as Operating Advisor for the DoubleTree HotelUniversal Mortgage Loan, CoreLogic Commercial Real Estate Services, Inc., asServicing Function Participant for the DoubleTree Hotel Universal MortgageLoan, National Tax Search, LLC, as Servicing Function Participant for theDoubleTree Hotel Universal Mortgage Loan, Wells Fargo Bank, NationalAssociation, as Primary Servicer for the 590 Madison Avenue Mortgage Loan,AEGON USA Realty Advisors, LLC, as Special Servicer for the 590 Madison AvenueMortgage Loan, Wilmington Trust, National Association, as Trustee for the 590Madison Avenue Mortgage Loan, Wells Fargo Bank, National Association, asCertificate Administrator for the 590 Madison Avenue Mortgage Loan, Wells FargoBank, National Association, as Custodian for the 590 Madison Avenue MortgageLoan, CoreLogic Commercial Real Estate Services, Inc., as Servicing FunctionParticipant for the 590 Madison Avenue Mortgage Loan, National Tax Search, LLC,as Servicing Function Participant for the 590 Madison Avenue Mortgage Loan,Berkeley Point Capital LLC, as Primary Servicer for the Element LA MortgageLoan, CWCapital Asset Management LLC, as Special Servicer for the Element LAMortgage Loan, Wilmington Trust, National Association, as Trustee for theElement LA Mortgage Loan, Wells Fargo Bank, National Association, asCertificate Administrator for the Element LA Mortgage Loan, Wells Fargo Bank,National Association, as Custodian for the Element LA Mortgage Loan, ParkBridge Lender Services LLC, as Operating Advisor for the Element LA MortgageLoan, Park Bridge Lender Services LLC as Asset Representations Reviewer for theElement LA Mortgage Loan, CoreLogic Commercial Real Estate Services, Inc., asServicing Function Participant for the Element LA Mortgage Loan, and NationalTax Search, LLC, as Servicing Function Participant for the Element LA MortgageLoan.

 

Dated: March 23, 2017

 

/s/ Leah NivisonChief Executive Officer

(senior officer in charge ofsecuritization of the depositor)