Ann-Margaret J. Nastasi and Anthony G. Themistocleous were wed Aug. 18 at St. Nicholas Shrine Greek Orthodox Church in West Babylon. The reception was at home in East Islip. She is the director of international students and scholar services for Dowling College and is the daughter of Catherine and John Stegeman of Fountain Inn, S.C. The bridegroom is a detective for the Nassau County Police Department and is the son of Loucia and George Themistocleous of Lindenhurst. The bride earned a bachelor's degree and a master's degree in education from Hofstra University and is pursuing a doctorate from Northcentral University. The bridegroom is pursuing a bachelor of science in criminal justice management from Dowling College. They live in East Islip.