Singapore Taekwondo Federation (STF) general manager Lim Teong Chin, who has been in the post since Feb 3, 2005, has resigned with immediate effect on Monday.

Sebastian Lee, a member of the national sports association's management committee, confirmed to The Straits Times yesterday that Lim's last day of service was on Monday, adding: "Lim has spent more than 40 years since the founding of STF, contributing actively to the development of STF and the propagation of the sport.