She started her professional career as a badminton enthusiast, eventually moving up to Tournament Director. From an early age, Marga Tan has an outstanding record in athletics beginning with time spent as collegiate volleyball varsity player, followed by stints playing table tennis. For the past 7 years, Marga has been playing badminton while half of her career's time was devoted to coaching, where she has carved out a positive reputation on her efforts on training and supporting students. She has been a consultant of several badminton tournaments as a tournament director. She has also organized tournaments herself, the most recent successful one participated by over 1000 players was last November 2007, "Mesuca Cup 2007" Challenge It! Badminton Tournament, held in Powersmash Badminton Court in Pasong Tamo Extension, Makati City and has become a yearly and most awaited event in the country.