About

O. Keith Hallam III is a seasoned corporate lawyer whose practice centers on mergers and acquisitions across a wide range of industries. He advises public and private companies, private equity sponsors, and financial investors on complex transactions, including strategic acquisitions, divestitures, joint ventures, and cross-border deals.

Keith earned his Juris Doctor degree from the University of Pennsylvania Law School, where he developed a strong foundation in corporate and transactional law. He also holds a Bachelor of Arts degree, equipping him with analytical and strategic skills that support his work on sophisticated mergers and acquisitions matters.

Throughout his career, Keith has represented clients in high-value domestic and international transactions involving consumer products, energy, financial services, healthcare, technology, and transportation. His experience spans take-private transactions, carve-outs, structured equity investments, SPAC combinations, and complex multi-jurisdictional negotiations.

Keith has advised companies and boards on transformational transactions exceeding billions of dollars, helping organizations achieve growth, streamline operations, and respond to evolving market conditions. His practice also includes counseling clients on strategic investments and partnership arrangements that align long-term business objectives with regulatory and commercial considerations.

In addition to transactional work, Keith regularly advises boards of directors and management teams in defending against activist investors. His experience in shareholder activism matters allows him to guide clients through proxy contests, settlement negotiations, and governance strategies with a focus on protecting corporate value and stakeholder interests.

Keith’s work has been recognized by leading legal publications and industry rankings, reflecting consistent excellence in mergers and acquisitions and related advisory services. These recognitions underscore his reputation for handling large, complex deals with precision, commercial insight, and practical judgment.

Through his practice, Keith Hallam has helped clients navigate critical business milestones by delivering clear legal guidance and effective deal execution. His approach emphasizes collaboration, risk management, and strategic problem-solving, enabling clients to complete transactions efficiently while advancing their broader corporate and financial goals.

Law Office Affiliations

  • Partner, White & Case LLP
  • Member, New York State Bar Association

Licensed State

  • New York

Education

  • University of Pennsylvania Law School
    Juris Doctor (JD)
  • University of Pennsylvania Law School
    Bachelor of Arts (BA)

Awards & Badges


New York State Bar Association
Business
  • Media & Advertising
  • Mergers & Acquisitions
  • Oil & Gas
  • Telecommunications
  • Transportation
Health Care

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