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Marc F. Sperber

Marc F. Sperber

T +1 312 701 7444
F +1 312 706 8208
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Marc Sperber is a transactional attorney and corporate advisor whose practice focuses primarily on mergers and acquisitions. Marc represents buyers, sellers and financial intermediaries in connection with stock and asset acquisitions and divestitures, mergers, joint ventures, strategic alliances, financings, tender and exchange offers, shareholder arrangements and a variety of other transactions involving US, foreign and multinational corporations and other public and private entities. He also represents companies in connection with corporate governance, defensive measures (including shareholders' rights plans) and other matters.

Chambers USA noted “Marc has real practical business sense about the law and M&A” and is “a very customer-friendly attorney” that “will try and put the client in the best possible position with the best leverage”…. a “diligent, proactive attorney with a ‘client-first’ approach”…a “quality lawyer” and a “great service provider”…having the “ability to provide positive counsel to his clients that extends far beyond technical knowledge of the law.”  In 2015 and 2016, Marc was selected as a "BTI Client Service All-Star" by BTI Consulting Group, one of 354 US lawyers “commanding the attention of corporate counsel for delivering exceptional client service to Fortune 1000 clients.” Each year since 2006, he has been selected for inclusion in Best Lawyers in America and named an "Illinois Super Lawyer." Marc has also been designated a "Leading Lawyer" by the Leading Lawyers Network for Mergers & Acquisitions Law and endorsed by PLC Which Lawyer? as a leading practitioner in Cross-border Mergers and Acquisitions.

Marc is the Global Head of the firm’s Corporate & Securities practice, a member of the firm’s Chemicals, Oil & Gas and Infrastructure Investment groups.  Marc joined Mayer Brown in 1992, left the firm briefly to accept a position with Credit Suisse First Boston Corporation, and resumed his practice with Mayer Brown in 1999.
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