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Mark S. Hersh

Mark S. Hersh



  • Stanford Law School, 1983, J.D.
  • University of Illinois at Urbana-Champaign, 1980, B.A., Summa Cum Laude
    , Bronze Tablet; Phi Beta Kappa

Professional Admissions / Qualifications

  • Illinois

Mark joined Reed Smith when the firm combined with Sachnoff & Weaver. Mark concentrates his practice on the representation of policyholders who have disputes or potential disputes with their insurance carriers, with an emphasis on D&O, E&O, and other corporate and management liability insurance. He also represents clients in connection with fidelity bond coverage and counsels policyholders on insurance coverage outside the dispute context. In addition, Mark conducts investigations and litigates non-insurance disputes.

Mark is an experienced trial lawyer, appellate lawyer and investigator. Prior to joining Sachnoff & Weaver in 2000, Mark spent nearly nine years as a federal prosecutor with the U.S. Attorney's Office in Chicago, receiving the Director's Award for Superior Performance as an Assistant U.S. Attorney.

Employment History

  • 2007 - Reed Smith
  • 2000 - Sachnoff & Weaver (combined with Reed Smith in 2007)
  • 1991 - Assistant U.S. Attorney, Criminal Division, Chicago
  • 1986 - Wilmer, Cutler & Pickering
  • 1985 - Wald, Harkrader & Ross


  • Honorable Joel M. Flaum, U.S. Court of Appeals - Seventh Circuit

Honors & Awards

Listed in Illinois Super Lawyers, Insurance Coverage (2012-2015)


Mark won the Illinois/Chicago Screenwriting Competition, 2000.