Welcome to GMCSA (Grand Masters' Chapter in Saudi Arabia), one of the leading overseas chapters of Alpha Theta Omega Fraternity & Sorority.

Alpha Theta Omega Fraternity & Sorority is a coed, intercollegiate and professional organization that was founded in the Philippines on 27 November 1968.  All members of this fraternity & sorority are called ALTHONIANS.

This website is exclusively for the activities of all ALTHONIANS that are living or had lived in the Kingdom of Saudi Arabia.

Outdoor Activities of the Chapter

Formal Activities of the Chapter