EX‐31

 

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

 

I,Anthony Sfarra, 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 Wells Fargo Commercial  Mortgage Trust 2015-NXS4 (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: 

 

Rialto Capital Advisors, LLC,as Special Servicer, Wilmington Trust, National Association, as Trustee,Pentalpha Surveillance LLC, as Trust Advisor, CoreLogic Commercial Real EstateServices, Inc., as Servicing Function Participant, National Tax Search, LLC, asServicing Function Participant, Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer for the One Court Square MortgageLoan, Wilmington Trust, National Association, as Trustee for the One CourtSquare Mortgage Loan, Pentalpha Surveillance LLC, as Trust Advisor for the OneCourt Square Mortgage Loan, CoreLogic Commercial Real Estate Services, Inc., asServicing Function Participant for the One Court Square Mortgage Loan, NationalTax Search, LLC, as Servicing Function Participant for the One Court SquareMortgage Loan, LNR Partners, LLC, as Special Servicer for the Yosemite ResortsMortgage Loan, Wilmington Trust, National Association, as Trustee for the YosemiteResorts Mortgage Loan, Pentalpha Surveillance LLC, as Trust Advisor for theYosemite Resorts Mortgage Loan, CoreLogic Commercial Real Estate Services,Inc., as Servicing Function Participant for the Yosemite Resorts Mortgage Loan,National Tax Search, LLC, as Servicing Function Participant for the YosemiteResorts Mortgage Loan, Midland Loan Services, a Division of PNC Bank, NationalAssociation, as Special Servicer for the CityPlace I Mortgage Loan, WilmingtonTrust, National Association, as Trustee for the CityPlace I Mortgage Loan,TriMont Real Estate Advisors, Inc., as Trust Advisor for the CityPlace IMortgage Loan, CoreLogic Commercial Real Estate Services, Inc., as ServicingFunction Participant for the CityPlace I Mortgage Loan, and National Tax Search,LLC, as Servicing Function Participant for the CityPlace I Mortgage Loan.

 

Dated: March 27, 2017

 

/s/ Anthony SfarraPresident

(senior officer in charge ofsecuritization of the depositor)