Kasapis was born on August 6, 1971. He started his football career with Levadiakos in 1988 and came to AEK in 1993. He was a mainstay of AEK's defence until 2004 when he returned to Levadiakos. After his retirement as a player he has been active as a General Director, (youth)trainer and scout for several clubs.
Kasapis was capped 37 times by the Greek National Football Team.
Did you know?
Considered the "bad boy" of Greek football, Kasapis, in 1999, received a 23-game ban for kicking the referee!