Sigma Alpha is a professional agricultural sorority that promotes scholarship, leadership, service and fellowship among its members. In 1978 five young women, Ann Huling Mathews, Cindie Davis, Marilyn Burns, Jennifer McMillan amd Amy Matthews, founded Sigma Alpha at the Ohio State University. The founders were five women who wanted an alternative to the social Greek sorority system. Since that time, Sigma Alpha has become a national organization consisting of more than 60 chapters, comprised of undergraduate and alumnae members. Today, more than 4,000 members have been initiated into Sigma Alpha Sorority!
The sorority was named Sigma Alpha for "Sisters in Agriculture." The sorority was given colors of emerald and maize, the baby bull for the mascot, the yellow chrysanthemum for the flower, and the emerald for the jewel. Sigma Alpha's motto is: Women Excelling in Agriculture.
Sigma Alpha is a member of the Professional Fraternity Association (PFA), a national organization of professional Greek letter organizations. Both Sigma Alpha Sorority and the Sigma Alpha National Alumni Association are affiliates of American Agri-Women. Agriculture in the Classroom is the national service project.