Branca was a founding member and is on the Board of Directors of the Musicians’ Assistance Program which, in conjunction with MusiCares provides treatment to members of the music industry with drug and alcohol problems. Along with wife Linda, Branca is also involved in supporting assorted environmental and animal rights groups.

Chairman, MusiCares
Board of Trustees, Occidental College
Board of Advisors, UCLA Law School
Board of Advisors, UCLA Athletic Dept.
UCLA Law Entertainment and Media Law
and Policy Progam Advisory Council
UCLA/Pauley Pavilion
Campaign, Renovation Committee

ACLU
American Cancer Society
Board of Advisors, UCLA Athletics, Pauley Pavilion Campaign Renovation Committee
Brady Center to Prevent Gun Violence
Chime Institute
Church of the Good Shepherd
City of Hope
Conservation International
Environmental Defense
Fulfillment Fund
Girls Inc.
Habitat for Humanity
HELP Group
Last Chance for Animals
Los Angeles Commission on Assault Against Women
L.A. Family Housing
L.A. Free Clinic
Meals on Wheels
Milagro Foundation
MusiCares
Natural Reserve Defense Council
Neil Bogart Memorial Foundation
Occidental College
Project Angel Food
Rape Foundation
TJ Martell Foundation
UCLA Foundation
UCLA Law School