Mr Alan Klein > Simpson Thacher & Bartlett LLP > New York, United States > Lawyer Profile

Simpson Thacher & Bartlett LLP
425 LEXINGTON AVENUE
NEW YORK, NY 10017-3954
NEW YORK
United States
Alan Klein photo

Work Department

Corporate/Mergers and Acquisitions

Position

Alan is a Partner in the Firm’s M&A Practice and until recently served as Co-Head of the Practice. Represented the board of Twitter in the company’s sale to Elon Musk. Advised Microsoft on many transactions, including its acquisition of Activision as well as LinkedIn, Skype, and many others; ChemChina in its acquisition of Syngenta, the largest acquisition ever by a Chinese company; Tyco in its merger with Johnson Controls, Inc.; and numerous other companies in cutting-edge transactions including Cisco, ADT, Best Buy, Wendy’s and Royal Ahold. He has also advised the boards of public companies including Aetna, Xerox, Yahoo and Baker Hughes, among others, on corporate governance matters.

Career

Joined, 1984; Partner, 1993.

Education

Haverford College (B.A., with Honors, 1981); Harvard Law School (J.D., cum laude,1984).

Lawyer Rankings

United States > M&A/corporate and commercial > M&A: large deals ($1bn+)

(Leading partners)

Alan KleinSimpson Thacher & Bartlett LLP

The ‘well-rounded‘ practice at Simpson Thacher & Bartlett LLP remains a key player on the M&A market and continues to advise on a wide range of impactful and high-value strategic transactions. The team demonstrates significant expertise in representing clients from across the financial services, tech, and infrastructure spheres, with practice head Eric Swedenburg regularly assisting public and private corporations with a diverse array of mergers, acquisitions and divestitures. The ‘reliable’ Mark Viera focuses on complex dispositions and leveraged buyouts, Lee Meyerson is noted for his expertise in connection with mergers in the financial services industry, and Alan Klein specializes in shareholder activism and corporate governance issues. Mario Ponce specialises in handling negotiated and hostile M&A transactions, and Elizabeth Cooper concentrates on recapitalizations and investments Katy Lukaszewski, who arrived from Sidley Austin LLP in September 2023, handles complex energy and infrastructure-based transactions. All attorneys mentioned are based in New York.