Morgan Lewis

Related Publications

12/05/14 CFTC Releases No-Action Letter 14-144
The letter modifies previous No-Action Letter 13-22, to expand relief for treasury affiliates entering into swaps on behalf of non-financial end-user affiliates that could otherwise elect the exception in section 2(h)(7) of the CEA and section 50.50 of the Commission’s regulations.
July 2014 Co-presenter, Derivatives and Dodd-Frank, given as a client management presentation
06/03/14 Morgan Lewis Hedge Fund University™ - Managing Mutual Funds and Exchange Traded Funds: Advanced Topics in Derivatives
Jedd Wider, Rich Morris, Brian London, Sean Graber, and Tom D’Ambrosio, panelists
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Related News

07/15/11 Morgan Lewis Serves as Co-Counsel to BHP Billiton on $12.1 Billion Acquisition of Petrohawk
Morgan Lewis served as co-counsel to BHP Billiton on a definitive agreement for BHP Billiton to acquire Petrohawk for $38.75 per share, representing a total equity value of approximately $12.1 billion and a total enterprise value of approximately $15.1 billion.
04/07/11 Morgan Lewis Advises Jefferies on $430 Million Acquisition of Prudential Bache
Morgan Lewis advised Jefferies Group, Inc. in its agreement to acquire Prudential Bache's Global Commodities Group for approximately $430 million.
02/01/07 Thomas D’Ambrosio Joins Morgan Lewis: Adds to the Firm’s Derivatives Capability
Morgan Lewis is pleased to announce that Thomas V. D’Ambrosio has joined the firm as a partner in the Business and Finance practice.
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Photo of  Thomas V. D'Ambrosio

practice accolades

Private Investment Funds

Ranked "#1 Most Active Law Firm" globally, based on the number of private equity funds worked on for limited and general partners, by Dow Jones Private Equity Analyst (2013) 

Ranked, National Tier 1: Private Funds/Hedge Funds Law, U.S. News and Best Lawyers (2013)

honors + affiliations

Chairman, New York City Bar Association Committee on Futures and Derivatives Regulation (three year term commencing 2012)

Member, New York City Bar Association Futures and Derivatives Regulation Committee (2009-2014)

Member, New York City Bar Association

Listed, The Best Lawyers in America (2009–2015)

Listed, New York Super Lawyers (2010–2014)

Listed, The Legal 500 (2008, 2009, 2011–2014)

bar admissions

  • New York
  • New Jersey

Court Admissions

  • U.S. Supreme Court
  • U.S. District Courts for the Southern, Eastern, Northern, and Western Districts of New York
  • U.S. District Court for the District of New Jersey
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Thomas V. D'Ambrosio

New York
101 Park Avenue
New York, NY 10178-0060
United States
Phone: +1.212.309.6964
Fax: +1.212.309.6001

Thomas V. D'Ambrosio is a partner in Morgan Lewis's Business and Finance Practice. Mr. D'Ambrosio focuses his practice on structured and complex derivative transactions and insolvency and regulatory matters relating to such structures for Fortune 500 corporations, private companies, hedge funds, financial institutions, pension funds, and high-net-worth individuals. He regularly assists those clients in connection with structuring, negotiating, and analyzing the risk inherent in a wide range of derivative products, including equity, debt, credit, commodity, interest rate, and currency derivatives. He is particularly active in using derivatives to aid clients in hedging risks, monetizing assets, and acquiring and financing the acquisition of assets on favorable terms (both with and without the benefits of leverage), including the financing of equity and debt repurchase programs of issuers. He is actively representing clients on Dodd-Frank derivative reform.

Mr. D'Ambrosio also has experience representing issuers in connection with public and private sales of equity and debt securities. He has advised purchasers and sellers in stock sales, asset sales, and merger transactions; he has advised investment managers in connection with leveraged hedge fund investments; and he has counseled pension funds and wealthy families with respect to their investments in hedge funds.

Mr. D'Ambrosio received his J.D., cum laude, from Cornell Law School in 1991, where he was a member of the Cornell International Law Journal. He received his B.A., magna cum laude, in English and history from Amherst College in 1988.

Mr. D'Ambrosio is admitted to practice in New York and New Jersey and before the U.S. Supreme Court, the U.S. District Courts for the Southern, Eastern, Northern, and Western Districts of New York, and the U.S. District Court for the District of New Jersey.


  • Cornell Law School, 1991, J.D., Cum Laude
  • Amherst College, 1988, B.A., Magna Cum Laude