Welcome to Chi Omega at The Ohio State University! This page is intended for use by current and former members of the Chi Omega, Zeta Alpha Chapter. Founded in 1895, Chi Omega is the largest women's fraternal organization in the world with more than 300,000 initiates and 181 collegiate chapters. Over the years, Chi Omega has nurtured its members, one woman at a time, with unique opportunities in leadership, scholarship and lifelong friendship - striving to provide each Sister with a commitment to personal integrity, excellence in academic and intellectual pursuits, intergenerational participation, community service, leadership opportunities, and social enrichment.