In 1983 Jimmy Makris received an associate degree from Queensborough Community College. In 1985 he obtained a Bachelor of Business Administration degree from Bernard M. Baruch College.
From 1986 to 1987 Jimmy Makris was an investment banker at the Bank of New York in New York City. Since 1987 he has been a president of Makris Realty in Clearwater, Florida. From 1987 to 1989 he was a member of a board of directors at Sea Castle Condos in New Port Richey.
Since 1987 Makris has served as an advisor for American Hellenic Educational Progressive Association in New Port Richey, Florida. In 1987 he was a founder and past president of Greek Orthodox Young Adults League in Clearwater, Florida. Since 1990 he has been an advisor for Gulf Harbors Civic Association in New Port Richey and a finance consultant for Merrill Lynch in New Port Richey.
Jimmy Makris is a member of the Ionian Society, Rotary, Beta Gamma Sigma.
On July 19, 1986 Jimmy Makris married Carol Dolgos. They have a son, Dean.