In 2001, President Gloria Macapagal-Arroyo appointed Buhain as the chairman of the Philippine Sports Commission after learning of the Philippines poor international ranking in sports. He instituted reforms that led to protests by some commissioners and employees. In 2003, the Philippines increased its rank in the medal tally in the Southeast Asian Games and the country won several medals in the 2002 Asian Games after getting only a bronze medal in the 1998 Asian Games.