S. District Court for the District of Kansas, as well as the 10th U.S. Circuit Court of Appeals. Mark graduated from Kansas State University with a Bachelor of Science degree in 1979, and from the University of Kansas School of Law in 1982 with a Juris Doctor degree. Mark moved to Pittsburg in 1982, where he started his law practice, specializing in estate planning, business and commercial law, employment law, and insurance defense litigation, as well as a general civil and criminal practice.