Marshall Sonenshine Chairman and Managing Partner |
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Marshall Sonenshine is the Chairman and Managing Partner of Sonenshine Partners. Prior to founding Sonenshine Partners, Mr. Sonenshine was a Partner in BT Wolfensohn, the mergers and acquisitions Department of Bankers Trust (“BT”) established by BT’s acquisition of Wolfensohn & Co., a premier investment banking boutique, in 1996. At Bankers Trust, Mr. Sonenshine headed the firm’s media and transportation mergers and acquisitions practices as part of the bank’s global investment banking arm, BT Alex. Brown, and its successor organization, Deutsche Banc Alex. Brown, where he was asked to be Co-Head of Mergers and Acquisitions.
Mr. Sonenshine has advised on leading M&A transactions globally, including the largest software merger of 2001, the merger of SDRC into EDS, creating the global leader in collaboration software and product knowledge management; the merger of Capstar Broadcasting into Chancellor Media, creating the world’s then largest radio broadcasting company; the merger of American Tower Corporation and OmniAmerica, creating the world’s largest operator of telecommunications towers; Disney’s $20 billion acquisition of Capital Cities ABC; the sale of Guber-Peters Entertainment Company to Sony in connection with Sony’s purchase of Columbia Pictures; the defense and ultimate sale of The United States Shoe Corporation to Luxottica SpA; and the two largest aircraft finance transactions in history: the $10 billion restructuring of GPA Group plc with General Electric Capital Corporation and the sale of International Lease Finance Corporation to AIG.
Prior to joining Wolfensohn & Co., Mr. Sonenshine worked for Salomon Brothers, where he handled corporate finance and M&A assignments. He is an Adjunct Professor of finance at Columbia Business School and a frequent speaker and expert on financial markets and corporate transactions.
Mr. Sonenshine received a BA from Brown University and a JD from Harvard University, where he served as an Editor of the Harvard Law Review. He subsequently served as a law clerk to The Honorable Lawrence W. Pierce of the United States Court of Appeals for the Second Circuit. Mr. Sonenshine is a member of the New York Bar, a Director of RosettaBooks and of several other companies. He is also a Member of the Council on Foreign Relations, a Trustee and member of the Executive Committee of the International Center of Photography, Vice Chairman of the Board of ArtsConnection, the New York arts and music education organization, and a past Member of the Executive Committee of the Brown Annual Fund.