In his professional playing career, he was nicknamed "The Bullet" due to his great passing and stealing.

Pumaren suited up for San Beda in high school, teaming up with fellow future pros Magsanoc, Altamirano, Paras, Gerry Esplana and Macky de Joya in a formidable squad that won the NCAA and the national secondary crowns in the early 80s.

Pumaren played collegiate ball for De La Salle Green Archers under the watch of his older brother, Derrick.

[4] Pumaren was hired as head coach of UE Red Warriors, with his brother and school alumni Derrick as their consultant.

La Salle, his alma mater was hired him to replace his brother, Franz, who runs for a political position in Quezon City.