Alison Z Preiss

Alison Zieske Preiss is a Partner in Simpson Thacher & Bartlett Corporate Department.  Her practice focuses primarily on advising both public and private companies in a wide range of industries in connection with mergers, acquisitions, divestitures, leveraged buyouts, complex restructuring deals, cross-border transactions, securities offerings and joint ventures.  Ms. Preiss also advises boards of directors and board committees with respect to proxy contests, takeover defense strategies and other corporate governance matters. 

• Pfizer Inc. in its $5.2 billion acquisition of Anacor Pharmaceuticals and in its $160 billion terminated transaction with Allergan plc
• Alexion in its $8.4 billion acquisition of Synageva BioPharma Corp.
• The Match Group in its $575 million acquisition of PlentyofFish
• Energy Transfer in its terminated transaction with The Williams Companies, Inc.
• Terry’s Tire Town in its $345 million acquisition by American Tire Distributor Holdings Inc.
• Expedia in its minority investment in Decolar.com; Constellium N.V. in its initial public offering
• Convergys Corp in its $820 million acquisition of Stream Global Services
• Johnson Controls in the sale of its automotive electronics business to Visteon and its Homelink electronics unit to Gentex Corp.
• Leap Wireless International in its $1.2 billion sale to AT&T
• United Technologies in its $3.5 billion sale of its industrial products businesses to BC Partners and The Carlyle Group
• Alleghany Corporation in its $3.4 billion acquisition of Transatlantic Holdings
• CKx, Inc. in its $500 million sale to Apollo Global Management LLC
• Prisa, Spain’s largest media company, in its $1.2 billion investment by Liberty Acquisition Holdings
• Bank of America in its payments joint venture with First Data Corp.
• MoneyGram in its recapitalization with an investor group led by Thomas H. Lee Partners and Goldman Sachs
• Home Depot in its $8.5 billion sale of Home Depot Supply to Bain Capital Partners, The Carlyle Group and Clayton Dubilier & Rice

• New York
• America

• New York State Bar Association
• American Bar Association

The Ohio State University, B.S./B.A. 2003, summa cum laude
University of Chicago Law School, J.D. 2006, with honors