Mark obtained his masters degree and bachelors degree, Magna Cum Laude, from the University of Pennsylvania Wharton School as a Benjamin Franklin Scholar. After graduation, he worked briefly in the U. S. Senate on pension and tax legislation. Mark then returned to Philadelphia with the international accounting firm of Arthur Andersen & Co. for two and a half years. Mark has served as Treasurer of the Jacksonville Chamber of Commerce, Treasurer of the Jacksonville Art Museum, and other civic and non-profit organization positions. Mark is a member of the American Institute of Certified Public Accountants and the Florida Institute of Certified Public Accountants.