He gained prominence as the spokesperson for the United Opposition party in 2007 and was part of the senatorial lineup in 2010.

Tamano started his academic career at The Ateneo de Manila University with a degree in Economics.

Also in 2011, Tamano joined the corporate world when he was brought on as Vice President for Public Affairs and Communications for Coca-Cola Philippines.

Tamano led the DITO organization in the bidding, establishment, and commercial launch of the third telco in the Philippines.

In tandem with his law career, corporate positions, and work in academia, Tamano has also maintained a media presence and platform.