Born in Athens, Pantelis began playing football as a defender for Panionios F.C., making 36 Alpha Ethniki appearances during his time with the club.
In 1981, he signed with Egaleo F.C., where he would make a further 38 Alpha Ethniki appearances over a four-year spell.
In June 2011, Pantelis was arrested during a probe into match-fixing when he was manager of Ethnikos Asteras F.C.,[2] and the Football League imposed a two-year ban.
[3] However, Pantelis appealed and was found innocent by the Football League's Disciplinary Committee.
[4] Pantelis was appointed manager of Kallithea for a second time in December 2011 following the unexpected departure of Vangelis Goutis.