Sigma Omicron Pi (ΣΟΠ) is an Asian American interest sorority. Founded in 1930 at San Francisco State University, the college social organization has chapters on 12 campuses in the United States. The stated objective of the sorority is to "further the awareness of women in Asian culture" and "to promote unity, lifelong friendships, leadership, and community service" The sorority has presence on the following college campuses: Alpha Chapter, University of California, Berkeley, 1946 Beta Chapter, San Francisco State University, 1988 Gamma Chapter, San Jose State University, 1992 Delta Chapter, University of California, Davis, 1993 Epsilon Chapter, California State University, Sacramento, 1993 Zeta Chapter, University of California, Santa Cruz, 1995 Theta Chapter, University of California, Irvine, 2001 Iota Chapter, Pennsylvania State University, 2001 Kappa Chapter, University of California, San Diego, 2002 Lambda Chapter, The Johns Hopkins University, 2002 Mu Chapter, University of California, Riverside, 2003 Nu Chapter, Binghamton University, 2008 The Eta Chapter (1997), located at the University of Maryland, has retired.