Former Piston president George San Mateo passes away
George San Mateo, former national president of Pagkakaisa ng mga Samahan ng Tsuper at Opereytor Nationwide (Piston), passed away on Friday, July 25, of a heart attack, the group announced over the weekend. He was 60.
Tomas Kauer, News Moderator 
George San Mateo, former national president of Pagkakaisa ng mga Samahan ng Tsuper at Opereytor Nationwide (Piston), passed away on Friday, July 25, of a heart attack, the group announced over the weekend. He was 60.
