Among the first issue he dealt with was the Philippines' participation in the football tournament of the 1995 Southeast Asian Games in Chiang Mai, Thailand.
[1] Tan was able to secure technical aid from FIFA following the Asian Football Confederation 17th Congress in Kuala Lumpur, Malaysia.
[4] Under the administration of President Gloria Macapagal Arroyo, Tan served as director of the Manila International Airport Authority.
[4] Tan along his wife were ambushed on December 14, 2018 by unidentified assailants while on a vehicle en-route home from Tan-owned Campuestohan Highland Resort.
[12] He conceptualized the Manok ni Cano Gwapo[13]is a Guinness World Records verified largest chicken building.
[14] Unveiled on October 19,[15]the giant rooster hotel in Campuestohan Highland Resort is a monument and memorial to Negros' cockfighting industry.