CalPERS | 50,757 followers on LinkedIn. Phone: 888-225-7377 | TTY: (877) 249-7442 | Intl: +1 916-795-3000 | For nearly a century, CalPERS has built retirement and health security for state, school, and public agency members who invest their lifework in public service. Our pension fund serves more than 2 million members in the CalPERS retirement system and administers benefits for more than 1.5 million members and their families in our health program, making us the largest defined-benefit public pension in the U.S.