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Partner Engineering and Science, Inc.
Partner Engineering and Science, Inc.
You are here: Home » About Partner ESI » Our People » Jay Grenfell, LEED AP

Jay Grenfell, LEED AP

National Client Manager


  • LEED Accredited Professional, United States Green Building Council
  • Bachelor of Arts, Environmental Science, University of California at Berkeley


Jay Grenfell has over 17 years of experience in the environmental and transactional due diligence consulting industry and has worked in various disciplines, including regulatory compliance, EH&S, asbestos abatement and air monitoring, Tier II reporting, in addition to his core competency in environmental and physical due diligence practices, including Phase I ESAs, Phase II ESAs, Property Condition Assessments (PCAs), and Seismic Risk Assessments (SRAs). His primary area of expertise is in the environmental due diligence field, where he has performed and/or managed thousands of Phase I ESAs and physical diligence projects, including multiple large multi-site due diligence portfolios.

Mr. Grenfell currently works as a relationship manager providing consulting services and transactional due diligence solutions to a variety of client types, including banks, insurance lenders, brokers, developers, individual investors, and equity/institutional investors. His experience allows him to provide risk-based solutions with a keen understanding of environmental and physical due diligence risk as it relates to specific stakeholders within a particular transaction. He enjoys assisting his clients in meeting their goals by providing well-documented reports and risk-based solutions that allow his clients to make sound risk management decisions and close deals.

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