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

  J.P. Morgan Chase Commercial Mortgage Securities Trust 2007-LDP10
  Commercial Mortgage Pass-Through Certificates
  Series 2007-LDP10 (the "Trust")

  I, Brian Baker, the President and Chief Executive Officer of J.P. Morgan
  Chase Commercial Mortgage Securities Corp., the depositor into the
  above-referenced Trust, certify that:

  1.I have reviewed this annual report on Form 10-K, and all reports on
    Form 10-D required to be filed in respect of the period covered by this
    annual report on Form 10-K, of the Trust (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 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;

  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;

  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 master servicers
    and the special servicer have fulfilled their obligations under the
    pooling and servicing agreement in all material respects; and

  5.All of the reports on assessment of compliance with servicing criteria
    and their related attestation reports on assessment of compliance with
    servicing criteria 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.

    In giving the certifications above, I have reasonably relied on
    information provided to me by the following unaffiliated parties: Bank
    of America, National Association as Master Servicer for the Skyline
    Portfolio loan, Bank of America, National Association as Master
    Servicer for the Solana loan, Capmark Finance Inc. as Master Servicer
    for the Americold Pool 2 loan, First American Commercial Real Estate
    Services, Inc. as Sub-Contractor for Wachovia Bank, National
    Association, Global Realty Outsourcing, Inc. as Sub-Contractor for
    Wachovia Bank, National Association, J.E. Robert Company, Inc. as
    Special Servicer, LaSalle Bank, National Association as Co-Trustee,
    LaSalle Bank, National Association as Trustee for the Skyline Portfolio
    loan, LaSalle Bank, National Association as Trustee for the Solana loan,
     LNR Partners, Inc. as Special Servicer for the Americold Pool 2 loan,
    LNR Partners, Inc. as Special Servicer for the Skyline Portfolio loan,
    LNR Partners, Inc. as Special Servicer for the Solana loan, Midland
    Loan Services, Inc. as Master Servicer No. 1, Wachovia Bank, National
    Association as Master Servicer No. 2, Wells Fargo Bank, N.A. as Trustee
    and Wells Fargo Bank, N.A. as Paying Agent and Trustee for the
    Americold Pool 2 loan.

    Dated:   March 27, 2008


    /s/ Brian Baker
    Signature

    President and Chief Executive Officer
    J.P. Morgan Chase Commercial Mortgage Securities Corp.
    (senior officer in charge of securitization of the depositor)