John M. Callahan

John M. Callahan


McDermott Will & Emery

Recognized since 2014

Chicago, Illinois

Practice Areas

Health Care Law

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John Callahan advises clients on health sector mergers and acquisitions. Public companies, private equity firms, nonprofit health systems, academic institutions and governmental entities have trusted John to assist them in executing their most critical transactions. His unique focus on corporate and healthcare law drives an efficient and client-oriented approach to executing transactions. John is Head of International Health M&A for the Firm.

Read full biography: https://www.mwe.com/people/callahan-john-m/

Contact & Links
Location
  • 444 West Lake Street
    Chicago, IL 60606-0029
Education
  • University of San Diego, J.D., graduated 1994

McDermott Will & Emery
Headquarters: Chicago, Illinois

215 The Best Lawyers in America® awards

127 Best Lawyers: Ones to Watch® in America awards

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Recognized in The Best Lawyers in America® 2025 for work in:
  • Health Care Law

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Publications

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