Mackesey, inducted as a truly great player, was an integral member of Cornell’s national championship teams in 1976 and 1977, earning the Kelly Award as the nation’s outstanding goaltender both years. He has the only shutout in NCAA Tournament history and held opponents scoreless for 93 consecutive minutes during the 1976 tournament. Mackesey was a two-time, first team All-American and earned All-Ivy honors in both lacrosse and soccer at Cornell. The Big Red won the Ivy League lacrosse championship in each of his three seasons on the varsity roster.
Awarded a NCAA Postgraduate Scholarship in 1978, Mackesey was a team captain for the 1978 U.S. team, helping the squad to a silver medal. During law school, he served as an assistant coach at the University of Virginia for three seasons and helped the Cavaliers reach the 1980 NCAA Championship Game.
Mackesey was recipient of an NCAA Top Five Award as one of the nation's five most outstanding student-athletes and has been inducted into the Cornell Athletic Hall of Fame. He is currently a partner with the law firm of Womble Carlyle Sandridge and Rice, PLLC, and serves as managing partner of the firm's Northern Virginia office.