The group was formed on October 5, 1996 by UP Los Baños Alumni in the San Francisco and neighboring areas in California. It started as UPLBAA-America (University of the Philippines Alumni Association in America) and later changed the name to UPLBAGA. It has the following objectives, as reflected in its constitution:
- Bring together UPLB Alumni and friends.
- Establish a UPLBAGA Fund to support projects of the Group at the UPLB community.
- Help welcome newly-arrived UPLB alumni and friends.
- Sponsor scholarships and other projects which shall be open to all qualified applicants in the community.
UPLBAGA has full accreditation from the umbrella UP Alumni Association in Diliman and is a recognized official and active UP Alumni Chapter. Membership in the organization includes UPLB alumni and friends. Currently, it has more than 170 lifetime members.