In addition, Rivera sat on the board of committees or was a member of the following public service groups: American Association for the Advancement of Science (1983-4), Council on Foreign Relations (1983-4), Carnegie Commission on the Future of Public Broadcasting (1977-9), the National Hispanic Scholarship Fund (1979–84), the Human Resources Management and Development Program (1979–84), the Citizens' Goals for Greater Riverside Area (1981–84), the Riverside Community Hospital Corporation (1981-2), the Greater Riverside Hispanic Chambers of Commerce (1981–84) and the Association for the Advancement of Mexican Americans (1977–79) amongst many others.