[1] Quilban played for the San Sebastian Stags in the basketball tournament of the National Collegiate Athletic Association (NCAA).
Its with 7-Up, which was renamed as the Pepsi Mega Bottlers in 1993, and Mobiline Cellulars in 1996, where he would play for the most in his eight-season-long stint in the PBA.
[4] Quilban would play for the Davao Eagles in the inaugural 1998 Metropolitan Basketball Association (MBA) season.
In 2002 he moved to the Cebu Gems until the MBA's dissolution within the same year, effectively retiring from competitive basketball.
[1] He died from complications of the disease at the Philippine Heart Center in Quezon City, on August 17, 2024, at the age of 58.