LAWYER PROFILE
Alison S Ressler

Alison S Ressler

USA 2026

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Chambers ranking badge

Ranked in 4 practice areas

Corporate/M&A

California: Los Angeles & Surrounds

7 years ranked

Capital Markets: Debt & Equity: Western United States

USA - Nationwide

8 years ranked

About

Provided by Sullivan & Cromwell LLP

USA

Practice Areas

M&A and Private Equity

Career

Alison S. Ressler is a leading authority on M&A, corporate governance and capital markets. She provides advice to U.S. and non-U.S. corporations, boards of directors and special committees of global companies, private equity investors and financial advisers for a wide range of transactions in regulated and unregulated industries.

Regularly cited at the very top of the legal profession in the areas of mergers and acquisitions, private equity, corporate governance and capital markets, Ms. Ressler has been named American Lawyer’s “Dealmaker of the Year” and “Dealmaker of the Week” multiple times. Other recognitions include The Deal’s “Women in M&A: The Powerhouse 20”, a Law360 MVP in M&A and Private Equity and being named one of the 10 most innovative lawyers in North America by the Financial Times. She is regularly recognized at the top of the profession by additional leading industry publications, including Chambers USA, Legal 500, IFLR 1000, Lawdragon, Euromoney, The Lawyer, M&A Advisor, Los Angeles Business Times and Forbes.

Ms. Ressler serves as co-head of the Global Private Equity Group and is responsible for the Firm’s practice in California. She served as a member of the Firm’s management committee for over 20 years.

With a career spanning four decades, Ms. Ressler has played a key role in some of the world’s most significant deals.

Headline M&A Transactions

• Purchase of Activision Blizzard shares from Vivendi, as counsel to ASAC II, an investment vehicle led by Activision CEO Bobby Kotick and Co-Chairman Brian Kelly

• AT&T in its joint venture with DOCOMO

• ATL Investco’s acquisition of the Atlanta Hawks and in connection with Dyal HomeCourt Partners’ minority equity investment in the Atlanta Hawks

• Barclays’ sale of Barclays Global Investors to BlackRock (named “Dealmaker of the Year” by The American Lawyer)

• California Resources Corporation in its $717 million acquisition of Berry Corporation, creating a combined entity valued at more than $6 billion; its $2.1 billion all-stock combination with Aera Energy; its joint venture with Brookfield Renewable to create a carbon management partnership; its previous successful emergence from Chapter 11; and its $825 million infrastructure joint venture and equity investment with Development Capital Resources

• Central Pacific Financial Corp.’s unsolicited acquisition of CB Bancshares, Inc.

• Chiron Corporation’s acquisition by Novartis AG, representing Novartis’ entry into the global vaccine and diagnostics market

• Christopher Cole and certain other executives in connection with the $11.2 billion acquisition of Cole Real Estate Investments by American Realty Capital Properties and Cole Holdings Corporation in connection with its sale to Cole Capital Properties Trust III (thereafter known as Cole Real Estate Investments)

• Clear Channel Communications’ $23.9 billion acquisition by a private equity group comprised of Thomas H. Lee Partners and Bain Capital Partners, as counsel to Goldman Sachs, financial adviser to Clear Channel

• Cymer’s $3.9 billion acquisition by ASML Holding N.V.

• Dell’s acquisition by investor group led by Michael Dell and Silver Lake Partners and financed in part by Microsoft, as counsel to Microsoft

• Dole Foods’ acquisition by an investor group led by Dole Chairman and CEO David Murdock, as counsel to Dole’s special committee

• eBay’s $1.5 billion acquisition of PayPal

• Hilton Hotels’ $26.7 billion acquisition by The Blackstone Group

• Joe Tsai, chairman and co-founder of Alibaba Group, in his purchase of a 49% interest in the Brooklyn Nets from owner Mikhail Prokhorov

• Kite Pharma’s $11.9 billion acquisition by Gilead Sciences

• Microsoft’s acquisition of Skype Global from investor group led by Silver Lake, as counsel to both Skype and Silver Lake (recognized as a “Dealmaker in the Spotlight” in The American Lawyer and as a “Dealmaker of the Week” by Am Law Daily)

• Organon in its $11.75 billion pending acquisition by Sun Pharmaceutical Industries

• Philips Electronics in its joint venture with LG Electronics

• RedBird Capital Partners in connection with Skydance Investor Group’s investment of more than $8 billion as part of the acquisition of National Amusements and control of Paramount through a merger of Skydance Media and Paramount Global

• SDL’s acquisition by JDS Uniphase Corporation (the largest technology deal at the time)

• Spieker Properties’ $7.2 billion acquisition by Equity Office Properties

• Sumitomo Pharma’s $2.9 billion acquisition of Myovant Sciences

• Twitter’s $44 billion acquisition by an entity wholly owned by Elon Musk, as counsel to Goldman Sachs and J.P. Morgan, financial advisers to Twitter

• Valeant’s $15.8 billion acquisition of Salix and $55 billion unsolicited offer to acquire Allergan

Personal

Columbia Law (JD, 1983); Brown (BA, 1980)

Co-chair of the Dean’s Council, Columbia Law School. Board and Executive Committee Member, LA28 Olympic and Paralympic Games. Member, Corporation of Brown University. Trustee, Harvard-Westlake School.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Corporate/M&A - California: Los Angeles & Surrounds

Band 1
Band 1

Individual Editorial
Alison Ressler enjoys a formidable reputation in the market for her strong command of M&A in both the corporate and private equity context.

Private Equity: Buyouts - California

Band 1
Band 1

Individual Editorial
Alison Ressler is widely regarded as one of the foremost private equity experts in California, with an excellent track record in high-value buyout transactions.

Capital Markets: Debt & Equity - California

Band 4
Band 4

Individual Editorial

Alison Ressler centers her practice on capital markets transactions, with an emphasis on debt- and equity-based securities offerings. Her expertise in securities law is complemented by a wider M&A and private equity-based skill set.

Capital Markets: Debt & Equity: Western United States - USA - Nationwide

Band 4
Band 4

Individual Editorial

Alison Ressler centers her practice on capital markets transactions, with an emphasis on debt- and equity-based securities offerings. Her expertise in securities law is complemented by a wider M&A and private equity-based skill set.

Strengths

Provided by Chambers

  • She has really good attention to detail and is in the weeds on matters. She is exceptional on strategy.

    Corporate/M&AChambers Guide to the USA
  • I consider myself fortunate to have worked with Alison. Her excellence is unmatched.

    Corporate/M&AChambers Guide to the USA
  • She is a fantastic lawyer and at the top of her game.

    Corporate/M&AChambers Guide to the USA
  • She's deeply experienced and able to provide advice on complex issues.

    Private Equity: BuyoutsChambers Guide to the USA
  • She provides very level-headed and practical advice.

    Private Equity: BuyoutsChambers Guide to the USA
  • Alison is a trusted advisor who you can use on any legal risk-related questions when you want excellent judgment.

    Private Equity: BuyoutsChambers Guide to the USA

Ranked Individuals at Sullivan & Cromwell LLP (140)

California

California: Los Angeles & Surrounds

California: San Francisco, Silicon Valley & Surrou

District of Columbia

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