O’Melveny Worldwide

Law360: O’Melveny Adds Capital Markets Partner From Holland & Knight

March 30, 2026

Douglas Lionberger has joined O’Melveny’s Houston office as a partner in the Capital Markets Practice Group. He brings over 15 years of experience advising clients on their most significant transactions and complex corporate matters, including public offerings, M&A deals, private equity transactions, and securities law matters. O’Melveny chair Bradley J. Butwin said: “Our clients in Texas and beyond will benefit from Doug’s deep experience and versatility across capital markets and M&A transactions, especially in the energy and transportation sectors.” Lionberger added: “I’ve admired OMM ever since my law school days at UC Berkley. The firm has a sterling reputation and is a widely-recognized, acclaimed powerhouse with an expansive global platform and a storied tradition of providing superior client service. I'm excited to join OMM’s rapidly growing Houston office and to enhance the firm’s corporate practice in Texas.” This story was also covered by Bloomberg Law.

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