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

  Re: GE Commercial Mortgage Corporation, Commercial Mortgage Pass-Through
  Certificates, Series 2007-C1, issued pursuant to the Pooling and
  Servicing Agreement dated as of May 1, 2007 (the "Pooling and Servicing
  Agreement") between GE Commercial Mortgage Corporation, as depositor (the
  "Depositor"), KeyCorp Real Estate Capital Markets, Inc., as master
  servicer ("Servicer No. 1"), Bank of America, National Association, as
  master servicer ("Servicer No. 2"), LNR Partners, Inc., as special
  servicer (the "Special Servicer") and Wells Fargo Bank, N.A., as trustee
  (the "Trustee").

  Capitalized terms used but not defined herein have the meanings set forth
  in the Pooling and Servicing Agreement.

  I, Alec Burger, the senior officer in charge of securitization of the
  Depositor, hereby certify that:

  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 GE Commercial Mortgage Corporation, Series 2007-C1 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 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 compliance review conducted in preparing
    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, the Special Servicer, and the
    Reporting Sub-Servicers have fulfilled their obligations under the
    Pooling and Servicing Agreement or the applicable sub-servicing
    agreement or primary servicing agreement, and

  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.

    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, Bank of America,
    National Association as sub-servicer to KeyCorp Real Estate Capital
    Markets, Inc., Bank of America, National Association as master servicer
    for the Skyline Portfolio loan and the Pacific Shores loan, Capmark
    Finance Inc. as master servicer for the Americold Portfolio loan,
    Capmark Finance Inc. as primary servicer for the Americold Portfolio
    loan, CWCapital Asset Management LLC as special servicer for the Four
    Seasons Resort Maui loan, First American Commercial Real Estate Services,
    Inc. as servicing function participant to Wachovia Bank, National
    Association, Global Realty Outsourcing, Inc. as servicing function
    participant to Wachovia Bank, National Association, KeyCorp Real Estate
    Capital Markets, Inc. as master servicer, LaSalle Bank, National
    Association as custodian for the Skyline Portfolio loan, LaSalle Bank,
    National Association as trustee for the Skyline Portfolio loan, LNR
    Partners, Inc. as special servicer, LNR Partners, Inc. as special servicer
    for the Americold Portfolio loan, LNR Partners, Inc. as special servicer
    for the Four Seasons Resort Maui loan, LNR Partners, Inc. as special
    servicer for the Mall of America loan, LNR Partners, Inc. as special
    servicer for the Skyline Portfolio loan and the Pacific Shores loan,
    Midland Loan Services, Inc. as master servicer for the Mall of America loan,
    Wachovia Bank, National Association as sub-servicer to KeyCorp Real
    Estate Capital Markets, Inc., Wachovia Bank, National Association as
    master servicer for the Four Seasons Resort Maui loan, Wells Fargo Bank,
     N.A. as trustee and Wells Fargo Bank, N.A. as custodian.

    Dated:   March 28, 2008


    /s/ Alec Burger
    Signature

    President and Chief Executive Officer
    (senior officer in charge of securitization of the Depositor)