Mark J. Heise

About the Speaker
  • Company
    Boies Schiller Flexner
  • Phone
  • Address
    100 SE Second Street Suite 2800 Miami, FL 33131
  • Web Sites

Mark’s main practice areas are complex commercial litigation, class action litigation, and product liability litigation. His successful representation of clients in both state and federal trials has resulted in Mark being consistently recognized by his peers in numerous publications, including Best Lawyers in America.

Mark has tried a wide variety of cases, ranging from complex product liability cases for Philip Morris USA to defending an international law firm accused of professional malpractice. In addition to these trials, Mark has successfully litigated a variety of complex matters, including multimillion dollar insurance claims, the defense and prosecution of legal and accounting malpractice claims, securities litigation on behalf of defrauded investors and other significant matters. Some of these reported cases include Flint v. ABB, Inc., 229 F. Supp.2d 1338 (S.D. Fla. 2002); Southeastern Staffing Services, Inc. v. Florida Dept. of Ins., 728 So.2d 248 (Fla. 1st DCA 1998); Christiania Holding, Inc. v. Koalick, 695 So.2d 491 (Fla. 3d DCA 1993). Regardless of the type of case, clients—from local businesses to Fortune 200 companies— routinely rely on Mark’s judgment and strategic thinking to achieve positive outcomes.

Mark also enjoys writing and lecturing on a wide variety of legal topics, with an emphasis on trial techniques and strategies.

When not in court or getting a case ready for trial, Mark is actively involved in local charities, having served on the Board of Directors of Children’s Foundation of Greater Miami and Cancer Support Community.


Among the numerous significant litigation matters that Mark has been involved in over his career are the following:

  • Working with class counsel (David Boies) in pursuing economic loss claims against Takata and auto manufacturers arising out of the deadly and defective airbags installed in tens of millions of cars in the U.S.
  • Serving as trial counsel for Philip Morris USA in Engle progeny trials in Florida state and federal courts
  • Serving as class counsel to successfully recover overcharges in Singer v. AT&T Corp, 185 F.R.D. 681 (S.D. Fla. 1998)
  • Serving as class counsel to successfully recover an unconstitutional tax in McGrath v. City of Miami, 789 So.2d 1168 (Fla. 3d DCA 2001) aff’d 824 So.2d 143 (Fla. 2002)


  • University of Florida Law School, J.D., With honors; Order of the Coif; Order of the Barristers; Moot Court Board; Appellate Advocacy Instructor
  • Vanderbilt University, B.S., cum laude, Mathematics



  • Florida
  • U.S. Supreme Court
  • U.S. Court of Appeals: Ninth Circuit
  • U.S. Court of Appeals: Eleventh Circuit
  • U.S. Court of Federal Claims
  • U.S. District Court: Southern District of Florida
  • U.S. District Court: Northern District of Florida
  • U.S. District Court: Middle District of Florida
  • U.S. District Court: Eastern District of Michigan

Awards and Associations

  • American Bar Association
  • Dade County Bar Association
  • Florida Super Lawyer (2006-Present)
  • Florida Trend Magazine, “Legal Elite,” (2008-Present)
  • South Florida Legal Guide, “Top Lawyer,” (2009-Present)
  • Best Lawyers in America, Bet-the-Company Litigation and Commercial Litigation, (2010-Present)


  • Hon. James Lawrence King, U.S. District Court: Southern District of Florida