[2] He received his Bachelor of Arts degree from Florida Southern College in 1968, his Juris Doctor from Florida State University College of Law in 1971, his Master of Science from Florida Institute of Technology in 1993, and his Master of Laws from the University of Virginia School of Law in 2001.

Antoon was a prosecutor for the City of Cocoa, Florida, from 1971 to 1972 and was in private practice from 1971 to 1984.

(1974–1976), and Stromire, Westman, Lintz, Baugh, McKinley, and Antoon, P.A.

Antoon served as a judge on the Florida Fifth District Court of Appeal from 1995 to 2000.

President Bill Clinton nominated Antoon to the United States District Court for the Middle District of Florida on February 9, 2000, to the seat vacated by Judge G. Kendall Sharp.