Karl V Hart was born and raised on a farm in Mayo, Florida. In additional to row crops his father bred quarter horses. Karl dropped out of high school at 17 and enlisted in the Air Force, spending three years in Europe. Upon discharge form the Air Force, he attended Florida State University and was awarded a B.S. degree in 1960. In 1960-61 he attended graduate school at the University of North Carolina on a Falk Teaching Fellowship. Karl received his law degree from Harvard School of Law. Among other accomplishments, he was the founding editor of the Harvard Journal of Legislation. Upon graduation from Harvard, Karl clerked for a United States District Court Judge for one year and then joined the oldest law firm in South Florida located in Miami, Florida. He met Roxann and they were married in 1968. Together, they started Rohara Arabians in the same year. Karl continued the active practice of law as a civil litigation attorney representing some of the largest companies in the world. Active, hands on manager of Rohara throughout has been Roxann, but Karl contributes through general advice especially in the financial, breeding and purchasing decisions of the farm.

     In 1983, Karl and Roxann, with the expanding operations of Rohara moved to Ocala, Florida. Karl continued to practice law and established an office for his firm in Orlando and Ocala. His practice evolved into one with heavy concentration on representation of foreign companies in litigation in the U.S. courts. He has lectured at several seminars on U.S. litigation in Europe. In 1990, Karl withdrew from the firm with which he had practiced law since 1968 and established his own firm in Ocala, Florida. He continues an active practice of law.

     In addition to his law practice, Karl has been very active in the governing bodies of both the Arabian horse industry and the general horse show world. In 1974 and 1985, he served as President of the Arabian Horse Association of Florida. He has served six terms as AHA Region 12 Director (1976-1980, 1988-1993 and 1998-2001). He is currently serving his sixth three year term as director of USEF (formerly AHSA and USAE) the governing body of equestrian sports (1983-1990, 1993-2000 and 2001 to present). Since 2003, Karl has also served as President of USA Equestrian Trust, which is the successor of AHSA and USAE in all aspects other than as the rule making body of equine sports. He has served on many of the standing and special committees of both IAHA and USEF or its predecessors.

     Karl's civic activities include many years of service on the Board of Directors and the Executive Committee of the Florida Agricultural & Horse Park Authority. He is also a member of the President's Club of both Florida State University and the University of Florida.

     Karl's passion is new foals and yes, he has his favorites. He always says he owns Kahara - horses not for sale! Another favorite past time is enjoying his son, daughter-in-law and grand children. Karl, also, manages Oaks Plantation Cattle Company which he owns in partnership with his long time friend Phil Sheehe. Cattle have always been a life long endeavor.