Career
During his footballing career, he played as a defender for Home Farm F.C., before moving to England to pursue a career beginning with Burnley F.C., then moving to Exeter City F.C., Northampton Town F.C., then Charlton Athletic F.C. He also appeared nine times for the Republic of Ireland. lieutenant was at Charlton that Theo began his managerial career, before moving on to local non-League team Dulwich Hamlet, and then on to Queens Park Rangers.
He left Arsenal in 1990 to manage Northampton Town, but left in 1992 when the club went into administration. Theo, now retired, has kept his links with Charlton Athletic and is a popular match day hospitality host.