Photo of Guy N. Halgren

Guy N. Halgren

Partner, Chairman of the Executive Committee


  • J.D., University of California, Los Angeles, 1984, graduated fifth in his class, Order of the Coif
  • B.A., University of California, Davis, 1977, with honors
  • Externed for the Honorable Gordon Thompson, Jr., U.S. District Court Judge, in San Diego during 1983
  • California
Thought Leadership


Guy Halgren is in the firm's San Diego office and is Chairman of the firm's Executive Committee. Since Guy became Chairman in 2001, Sheppard Mullin has grown strategically to meet the needs of its clients. Under his leadership, the Firm has opened offices in Brussels, Century City, Chicago, Dallas, London, New York, North County San Diego, Palo Alto, Seoul, Shanghai and Washington, D.C.


  • Best Lawyer in America, Best Lawyers, 2018-2020
  • San Diego Super Lawyer, 2015-2019
  • Recipient of Sheppard Mullin's Fifth Annual Diversity & Inclusion Award, 2014
  • Law Firm Leader of the Year, Daily Journal, 2011
  • Innovative Managing Partner, Law360, 2010
  • Managing Partner A-List, Los Angeles Daily Journal, 2009
  • The Daily Transcript, San Diego's 2009 "Top Influentials"
  • Legal 500 US, Employment Law Counseling, 2007
  • Southern California Super Lawyer, 2007-2014

Thought Leadership

Media Mentions


  • Member, The Wall Street Journal CEO Council, 2018-2019