The young adult ministry of Sts. Constantine and Helen is an organization dedicated to the religious development of the young professionals of our community. Through philanthropic events, religious retreats, religious discussions and gatherings, as well as social events throughout the year, O.P.A. is a very active organization in the life of our young adult community in Brooklyn. Contact us to join our mailing list, so that you may be up to date with all our exciting events all year round!