Mark earned a Bachelor of Public Administration in 1981 and a Juris Doctorate in 1984. Following his graduation he joined Perenich, Caulfield, Avril & Noyes Personal Injury Lawyers. His areas of practice include aviation accidents, medical malpractice, and interstate motor-vehicle accidents. Mark is a member of the American Justice Association, Florida Justice Association, Pinellas County Trial Lawyers, and the Lawyer Pilots Bar Association. He is admitted to practice in the Middle and Southern U.S. Federal District Courts, the 11th U.S. Circuit Court of Appeals, and the United States Supreme Court. He has been a member of the Clearwater Bar Association for over 25 years.