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A&O Shearman hires corporate partner Steven Tyndall in Austin, Texas

A&O Shearman hires corporate partner Steven Tyndall in Austin, Texas
Published Date
Aug 24, 2026
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Image of Adam Hakki
Adam HakkiPartner, Co-Chair Executive Committee/Board and U.S. Chair, New York
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Alain DermarkarPartner, Dallas
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Steve TyndallPartner, Austin

A&O Shearman today announced that Steven (Steve) Tyndall has joined as a partner in its M&A and Private Equity practice in Austin, Texas, significantly strengthening the firm's on-the-ground transactional capabilities in one of the fastest-growing legal markets in the United States and furthering its strategic investment in the Texas platform.

Steve joins from Morrison Foerster and has over 27 years of experience in corporate and securities law, advising established and emerging companies on financings, public and private offerings of equity and debt securities, mergers and acquisitions, joint ventures, capital markets, and corporate governance. His practice spans priority sectors including technology, life sciences, medical devices, healthcare technology, and energy-related industries.

“Texas is a key part of our growth strategy, and Steve’s arrival is another important step in growing our U.S. M&A and private equity offering. He brings client relationships, sector expertise, and market connectivity that are highly synergistic with our U.S. and global platforms.”

Alain Dermarkar, U.S. co-head of M&A and Private Equity at A&O Shearman, added: “We are thrilled to welcome Steve to our team. His experience advising companies across the full transaction lifecycle, from early-stage financing through public company M&A, is highly complementary to our existing capabilities. His deep roots in the Texas legal community underscore the strength of his local network and his ability to originate and execute transactions in the market.”

“A&O Shearman's platform offers something unique in the Austin market, which is the ability to connect clients to a truly integrated global network,” said Steve Tyndall. “I'm excited to be part of building the firm’s presence in Texas and to leverage its global capabilities on behalf of my clients as they pursue increasingly complex transactions across sectors and borders.”

A&O Shearman's Texas practice has advised on some of the state's most significant mandates, including advising Texas Instruments on its USD7.5 billion acquisition of Silicon Labs; the shareholders of Serra Verde in its USD2.8bn combination with USA Rare Earth; LPL Financial Holdings Inc. on its USD2.7bn acquisition of Commonwealth Financial Network; OpenPayd on its USD1.1bn merger with Titan; EGH Acquisition Corp. on its USD1.2bn combination with Hecate Energy Group; CSW Industrials on its USD650 million acquisition of Motors & Armatures Parts; Sunoco on its USD600m acquisition of Offen Petroleum; and Granite Construction in its combined USD710m acquisitions of Warren Paving and Papich Construction.

Steve is ranked by Chambers USA for Technology: Corporate & Commercial in Texas. 

Steve’s addition is the latest step in A&O Shearman's sustained investment in U.S. talent across multiple practice areas. The firm has recently welcomed a series of lateral partner hires that together further build out its U.S. capabilities: Germaine Gurr (M&A in Los Angeles), Joseph Brown (Restructuring in New York), Matthew Karlyn (Digital, Data, IP and Technology in Boston), W. Andrew Lanius (Energy, Natural Resources, and Infrastructure in Houston), Kathryn Mims (Antitrust in Washington D.C.), Paul Astolfi (Energy, Natural Resources, and Infrastructure in Dallas), Katy McNeil (Energy, Natural Resources, and Infrastructure in Chicago), Michael Kim (Capital Markets in New York), Ned Schodek (Restructuring in New York), Jan Sysel (Fund Finance in New York), Valentine Bleicher (M&A in Chicago), Nick Ramphal (M&A in New York), and Catherine Hein (International Trade and CFIUS in Washington D.C.).

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