Ivan Mattei is a retired partner. He has more than 25 years of experience in project finance, joint ventures and M&A, with a particular focus on infrastructure and energy projects and PPP transactions.

Mr. Mattei is ranked as one of the country’s leading lawyers in project finance and public private partnerships by Chambers Global (2019). In addition, Mr. Mattei is recognized as a leading lawyer in projects in Chambers USA (2019), Chambers Latin America (2016), The Legal 500 US (2017), The Legal 500 Latin America (2016) and International Who’s Who of Project Finance Lawyers (2013). According to Chambers Global (2019) and Chambers USA (2019), Mr. Mattei is a “great lawyer,” recommended for his “excellent work across power project financing and PPP deals covering both the energy and infrastructure sectors” and is “a very clever guy who can reason his way through a problem very effectively.” According to The Legal 500 US (2016), the “diligent” practice is commended for its “prompt, accurate and commercial” advice. In previous editions of the guide, the group is praised for having an “incomparable capacity to understand the business rationale and to advise on negotiations and structuring.” New York-based Ivan Mattei is “one of the best project finance lawyers on the market.” “Mattei has distinguished knowledge of the financial industry, tremendous experience and a unique mental agility. He is very precise and convincing in negotiations.”

Mr. Mattei received his B.S. from Georgetown University summa cum laude in 1979. He received an M.A. and a Ph.D. in economics from Harvard University in 1983 and 1986, respectively, where his special fields were international finance and industrial organization. Mr. Mattei is a graduate of Harvard Law School, where he received his J.D. magna cum laude in 1985. He is fluent in Spanish.

From 1994 to 1997, Mr. Mattei served as an adjunct professor of law at Columbia Law School, where he taught international banking and financial law. He is a member of the International Bar Association (Committee on International Construction Projects), the New York City Bar Association and the American Bar Association. Mr. Mattei is also member of The Bretton Woods Committee.

Mr. Mattei is a contributing editor of the book “Public-Private Partnerships 2016,” (October, 2015). Mr. Mattei has also authored or co-authored numerous articles that have appeared in industry-leading project finance publications, including: “Convenient Realities,” Project Finance (January, 2014); “Key to the Highway: PPPs in US Transportation Infrastructure Projects,” 2013/14 Privatisation & Public Private Partnership Review (July, 2013); “US Transportation Infrastructure: Opportunities for PPPs in a Challenging Economy,” Transportation Finance Review (2011/12); “Current Catalysts,” Project Finance Magazine (September, 2011); “Global Airport PPPs: Opportunities in a Challenging Environment,” 2010/11 Privatisation & Public Private Partnership Review (July, 2011); “Boiling Point,” Project Finance, North American Infrastructure Report (2010); “Slow But Steady: PPPs in US Transportation Infrastructure,” Transportation Finance Review (2010/11); “PPP in the US – Evolving Financing Structures,” Infrastructure Journal (December, 2005); “Maipo Finances Variable MDI,” Project Finance International Yearbook (2005); “Foreign Banks and the Gramm-Leach-Bliley Act,” The Review of Banking & Financial Services, Vol. 16, No. 9, page 153J (July, 2000); “Finding a Way Through the Maze,” Project Finance (1999); “Organizational Freedom for Banks: The Case in Support,” 97 Columbia Law Rev. 1895 (1997); “Current Proposals for Financial Services Modernization,” The Review of Banking & Financial Services (April, 1995); “U.S. Bank Reform: Getting Beyond the Oxymoron,” Annual Survey of American Law 683 (1991); “U.S. Fed Eases Regulations for Edge Corporations,” Trade Finance (July, 1991) and “Government Procurement Procedures of Japan,” 21 George Washington J. Int’l Law 91 (1987).


  • Harvard University, 1986, Ph.D.
  • Harvard Law School, 1985, J.D.
  • Georgetown University, 1979, B.S.

Bar Admissions

  • New York