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Jon Gerretsen
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Jon Gerretsen
Leadership

Jon Gerretsen

Credit Services

Jon Gerretsen serves as Managing Director of Residential New Originations and Fulfillment Services at SitusAMC. In his role, Jon’s focus is expanding SitusAMC’s Credit Services division as well as building out a dedicated Fulfillment Operations product suite. Mr. Gerretsen previously spent 15 months in a consulting role within SitusAMC and assumed his current position in October of 2020.

Before joining SitusAMC, Jon was with Altisouce for 3 years where he served as President and CEO of Altisource Fulfillment Operations. Prior to Altisource, Mr. Gerretsen spent 8 years with NYCB Mortgage Company, (formerly known as AmTrust Bank), as Director of Residential Mortgage Operation.

Mr. Gerretsen’s experience also includes being at Citimortgage (Citi) for 6 years where he held a variety of position, including National Sales Director for Citi’s Prime Bulk Wall Street Channel, Director of Production for Correspondent Lending and Director of Retail Branch Lending for Citibank.

Prior to Citi, Mr. Gerretsen was with New York based KPMG Financial Services Division where he managed national teams focused on Business Operations Performance, M&A diagnostics, and Vendor Technology Evaluation and Implementation.

Education & Certifications

Saint Michael’s College
Bachelor’s degree

University of Hartford
MBA, International Finance

Company News

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SitusAMC Leads the Industry in Residential Mortgage Due Diligence in 2025

NEW YORK, NY — SitusAMC, a leading provider of strategic outsourcing, advisory, and technology solutions to the real estate finance industry, today affirmed its leadership in residential mortgage due diligence, completing ~870,000 unique review scopes across ~460,000 unique residential loans in 2025 providing secondary market participants with scale, insight, and operational excellence to drive business outcomes.

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SitusAMC Reinforces Leadership In Pension Fund Valuation with State Retirement System Mandate

New York, NY – (April 21, 2026) – SitusAMC, the leading provider of innovative, trusted solutions supporting the entire lifecycle of real estate finance has announced that a leading state retirement system has selected SitusAMC’s Real Estate Valuation Services (REVS) to provide tech-enabled valuation services and reporting and analytics across its U.S. real estate portfolio commencing in the first quarter of 2026.

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