[5] Following an 18-month training stint in West Germany, Seak became Singapore's first professional football coach in August 1984.
[9][note 1] He rejected a 2-year extension following the expiry of his initial deal in favour of focusing on his Director of Coaching role to be actively involved in the long-term development of Singapore football.
[12] 2001 Coach of the year Jang Jung who had won the S.League with Geylang the previous year was reassigned to coaching duties, Jang resumed head coach responsibilities after Seak decided to step down as team manager, reverting to his Director of Football role in August 2002 with 6 matches left and Geylang 3rd in the league standings.
With the resignation of Scott O'Donell and Darren Stewart's rejection of the position, Seak officially took over as Geylang head coach in August 2005.
The committee was abolished in March with the head coach reins handed over solely to Wong, with Lim and Seak retaining their respective roles, following disappointing league results.