LAWYER PROFILE
Michael Ringler

Michael Ringler

USA 2026

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Ranked in 1 practice area

About

Provided by Sullivan & Cromwell LLP

Practice Areas

M&A, Technology, Digital Infrastructure, Corporate Governance, Shareholder Activism

Career

Partner at S&C since 2024. Co-Managing Partner of the Firm’s Palo Alto office and Co-Head of the Firm’s Technology Group and Digital Infrastructure Group. Mike is a nationally recognized M&A adviser focusing on technology-related industries where he regularly advises companies on mission-critical and transformative M&A transactions. He represents large industry-leading companies, as well as industry disruptors, in a broad range of technology sectors, including the semiconductor, networking, software, internet and artificial intelligence industries. At S&C, he has represented xAI in connection with its $250 billion sale to SpaceX, creating a combined company valued at $1.25 trillion (largest private company merger in history); Elon Musk, xAI and X on the $113 billion merger of xAI and X; xAI in its $20 billion and $5.5 billion equity financings, $5 billion debt financing and numerous confidential acquisitions; Elon Musk and xAI on their investment in the AI Infrastructure Partnership (AIP) and participation in AIP’s $40 billion acquisition of Aligned Data Centers; and Shield AI, on debt and equity financing aspects, in connection with its pending acquisition of Aechelon Technology and its $1.5 billion Series G funding. Among other accolades, he was recognized by Law360 as a Technology MVP in 2025 and an M&A MVP in 2021 and by The American Lawyer as a 2021 and 2015 Dealmaker of the Year. He has been recognized numerous times as one of the Top 100 Lawyers in California by the Daily Journal.

Personal

J.D., Georgetown University Law Center; B.S., University of Michigan

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Corporate/M&A - California: San Francisco, Silicon Valley & Surrou

Band 1
Band 1

Individual Editorial
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.

Strengths

Provided by Chambers

  • Mike expertly advised us every step of the way, providing knowledgeable, clear and concise advice from beginning to end.

    Corporate/M&AChambers Guide to the USA
  • He provides a high level of guidance on complex matters and very practical advice.

    Corporate/M&AChambers Guide to the USA
  • Mike has done so many deals that he has a really good understanding of the landscape.

    Corporate/M&AChambers Guide to the USA
  • He is extremely responsive, very business-oriented and explains complex transactions in straightforward terms.

    Corporate/M&AChambers Guide to the USA

Ranked Individuals at Sullivan & Cromwell LLP (144)

California

California: Los Angeles & Surrounds

California: San Francisco, Silicon Valley & Surrou

District of Columbia

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