Pumaren played most of his professional career for the San Miguel Beermen where he won 9 championships with the team which also included the 1989 Grand Slam.

[3] As a coach for the Archers, he was known for implementing the full court press defense on opposing teams.

He then resigned as La Salle coach in order to run for the 3rd district's seat in the House of Representatives.

However, he lost to fellow councilor Jorge "Bolet" Banal Jr., coming at third behind defeated incumbent Matias Defensor Jr. with 28% of the vote.

[7] On July 26, 2022, Pumaren was named as one of the Deputy Majority Leaders of the House of Representatives in the 19th Congress of the Philippines.