Mr Alan Klein > Simpson Thacher & Bartlett LLP > Washington DC, United States > Lawyer Profile
Simpson Thacher & Bartlett LLP Offices
115 F STREET, N.W
WASHINGTON D.C. 20004
DISTRICT OF COLUMBIA
United States
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Mr Alan Klein
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)Cementing its status as a market leader in the M&A space, Simpson Thacher & Bartlett LLP has ample experience in the structuring, negotiation, and completion of complex and high-value transactions. With involvement in major deals such as Microsoft’s $75bn acquisition of Activision Blizzard, the New York-based practice routinely represents clients in the infrastructure, tech, and consumer products sectors. Department head Eric Swedenburg counsels clients on various M&A mandates, divestitures, and joint ventures. Anthony Vernace is well-versed in representing private equity firms in M&A, investments, and other significant corporate transactions, while the experienced Lee Meyerson
assists elite financial and investment firms on complex mergers. Alan Klein is reputed for his work in guiding boards of directors through high-profile acquisitions. Justin Rosenberg left the firm in April 2024.
Lawyer Rankings
- Leading partners United States > M&A/corporate and commercial > M&A: large deals ($1bn+)
- M&A: large deals ($1bn+) United States > M&A/corporate and commercial
Top Tier Firm Rankings
- Insurance > Advice to insurers
- Finance > Capital markets: debt offerings
- Finance > Capital markets: equity offerings
- Finance > Capital markets: global offerings
- Finance > Capital markets: high-yield debt offerings
- International trade and national security > CFIUS
- Finance > Commercial lending
- Finance > Commercial lending: Advice to bank lenders
- Labor and employment > Employee benefits, executive compensation and retirement plans: transactional
- Environment > Environment: transactional
- Dispute resolution > Financial services litigation
- Dispute resolution > General commercial disputes
- Tax > International tax
- Dispute resolution > M&A litigation: defense
- M&A/corporate and commercial > M&A: large deals ($1bn+)
- Tax > Not-for-profit (Fortune 1000 private foundations, national trade associations, and charities)
- M&A/corporate and commercial > Private equity buyouts: large deals ($500m+)
- Investment fund formation and management > Private equity funds (including venture capital)
- Real estate > Real estate
- Dispute resolution > Securities litigation: defense
- Tax > US taxes: non-contentious
Firm Rankings
- Antitrust > Cartel
- Finance > Commercial lending > Advice to direct lenders/private credit
- Energy > Energy transactions: electric power
- Antitrust > Merger control
- Investment fund formation and management > Mutual/registered/exchange-traded funds
- Real estate > Real estate investment trusts (REITs)
- Energy > Renewable/alternative power
- Antitrust > Civil litigation/class actions: defense
- Energy > Energy transactions: oil and gas
- Dispute resolution > Leading trial lawyers
- Dispute resolution > Leading trial lawyers
- Finance > Project finance
- Finance > Restructuring (including bankruptcy): corporate
- Finance > Structured finance: securitization
- Media, technology and telecoms > Technology transactions
- Dispute resolution > Appellate: courts of appeals / Appellate: supreme courts (states and federal)
- M&A/corporate and commercial > Corporate governance
- Finance > Financial services regulation
- Dispute resolution > Leading trial lawyers
- Real estate > Real estate finance
- Finance > Structured finance: derivatives and structured products
- Dispute resolution > Corporate investigations and white-collar criminal defense