Chapter OF, Lafayette, California, Adds to P.E.O.! January 13, 2023 You Add to P.E.O. is a fun initiative within the P.E.O. Sisterhood where chapters are challenged to add two or more active members between March 1, 2022, and July 31, 2023. Chapters that meet this... Chapters, Membership, You Add to P.E.O.