Orion Mountainspring is a partner in Chapman's Asset Securitization Department. He has a broad background in asset finance, securitization, mortgage finance, and derivatives.

Orion frequently represents warehouse lenders and borrowers, forward flow and static pool loan purchasers and issuers, underwriters, and investors in public and private conduit and term transactions backed by structured asset classes, including consumer loans, residential and commercial mortgages, student loans, solar loans, marketplace lending, auto loans, credit cards, shipping, and municipal bonds. He has also worked with issuers and underwriters to develop multiple solar securitization programs.

Prior to joining Chapman, Orion worked at a major investment bank and as an analyst at one of the top three rating agencies.

Representative Matters

  • Representation of sponsor and initial purchasers in multiple securitizations of more than $1 billion of solar loans
  • Representation of investment bank in connection with forward flow purchases of $2 billion of solar loans
  • Representation of investment platform in credit facility backed by solar leases
  • Representation of a major bank as derivative provider in connection with numerous structured finance transactions
  • Representation of major banks in connection with the purchase and financing of home improvement loans
  • Representation of major banks in connection with the purchase, financing, and securitization of student loans
  • Representation of investment funds in connection with credit facilities financing agency mortgage loans


New York


Duke University School of Law, J.D., 2006

Cornell University School of Industrial and Labor Relations, B.S., 2003



  • Panelist, “Securitizating Solar: Let There Be Light,” Investors’ Conference on Solar and PACE Investing, May 25, 2021
  • Panelist, “Improving Marketplace Lending Liquidity and the Role of Securitization,” Investors’ Conference on Marketplace Lending, December 1, 2017

We have always been focused on finance.

  • 1913
    TS Chapman partners with Henry Cutler to form Chapman and Cutler
  • 1st
    Chapman's first client in 1913 is still a client of the firm today
  • 22
    Diverse financial practices serving regional, national, and global clients
  • 6
    Offices across the country and in key US financial centers

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