
Corporate/M&A: The Elite
USA Guide 2026 : California: Los Angeles & Surrounds
Rankings

Ranked Individuals
Ranked Individuals
About
Provided by Sullivan & Cromwell LLP
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Chambers Review
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Work Highlights
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Sullivan & Cromwell represented AT&T in LevelBlue's acquisition of Aon's cybersecurity and intellectual property litigation consulting groups.
Strengths
Provided by Chambers
They are very responsive and bring the right expertise to advise us. I trust their judgment, which is consistently accurate and insightful.
Corporate/M&A: The Elite respondentUSAThe team is exceptionally strong across the board.
Corporate/M&A: The Elite respondentUSAThey have a national and international practice and great resources across the firm.
Corporate/M&A: The Elite respondentUSAIf we need to get things done fast, they just make it happen. They are very responsive.
Corporate/M&A: The Elite respondentUSAComplex and sophisticated matters are where Sullivan & Cromwell shines.
Corporate/M&A: The Elite respondentUSA
Notable Practitioners
Provided by Chambers
Band 1 
Band 1 
Alison S Ressler
Alison Ressler enjoys a formidable reputation in the market for her strong command of M&A in both the corporate and private equity context. She has really good attention to detail and is in the weeds on matters. She is exceptional on strategy.
Corporate/M&A: The Elite respondentUSAI consider myself fortunate to have worked with Alison. Her excellence is unmatched.
Corporate/M&A: The Elite respondentUSAShe is a fantastic lawyer and at the top of her game.
Corporate/M&A: The Elite respondentUSA
Band 1 
Band 1 
Michael Ringler
Michael Ringler operates a highly respected corporate practice which encompasses expertise in complex M&A, joint ventures and divestitures, as well as experience in proxy contests and hostile takeovers. He is particularly active in technology transactions. Mike expertly advised us every step of the way, providing knowledgeable, clear and concise advice from beginning to end.
Corporate/M&A: The Elite respondentUSAHe provides a high level of guidance on complex matters and very practical advice.
Corporate/M&A: The Elite respondentUSAMike has done so many deals that he has a really good understanding of the landscape.
Corporate/M&A: The Elite respondentUSAHe is extremely responsive, very business-oriented and explains complex transactions in straightforward terms.
Corporate/M&A: The Elite respondentUSA
Band 2 
Band 2 
Eric M Krautheimer
Eric Krautheimer represents companies, private equity firms and financial advisers in M&A in a range of industries. Eric is a brilliant problem-solver and gives extremely well-balanced advice. He is highly practical, incredibly responsive and reliable.
Corporate/M&A: The Elite respondentUSAEric is an exceptionally strategic M&A lawyer. He brings a rare combination of deep deal expertise, sound judgment and big-picture thinking to every transaction.
Corporate/M&A: The Elite respondentUSA
Up and Coming 
Up and Coming 
Peter Jones
Peter Jones focuses his practice on the representation of technology clients of all sizes in a wide range of corporate transactions.
Peter is an expert at running complex M&A transactions. He catches every issue, rolls up his sleeves and tackles complicated problems.
Corporate/M&A: The Elite respondentUSAPeter is very pragmatic, knows what is market and understands our goals and business. He makes it a very efficient process, but doesn't leave anything on the table.
Corporate/M&A: The Elite respondentUSAHe's very dynamic and proactive.
Corporate/M&A: The Elite respondentUSA
Ranked Individuals at Sullivan & Cromwell LLP (4)
Members
Provided by Sullivan & Cromwell LLP

Eric M Krautheimer
View profile of Eric M Krautheimer
Alison S Ressler
View profile of Alison S Ressler
Michael Ringler
View profile of Michael Ringler
Peter Jones
View profile of Peter Jones
Sullivan & Cromwell LLP has rankings in the following guides
Band 5 Band 1 Global 2026
Practice area: Corporate/M&A
Location: Latin America - International Counsel
View department profile for Global 2026Band 2 Global 2026
Practice area: Corporate/M&A
Location: Global: Multi-Jurisdictional
View department profile for Global 2026Band 5 Spotlight Band 1 Latin America 2026
Practice area: Corporate/M&A
Location: International Counsel
View department profile for Latin America 2026
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