Elana Epstein and Justin Reiser were married Oct. 31 at Atlantis Marine World in Riverhead with a reception following. She is an assistant professor of mathematics at St. Joseph's College in Patchogue and is the daughter of Sharon and Lawrence Epstein of Stony Brook. The bridegroom is a software engineer for XSB Inc. in Stony Brook and is the son of Eileen and Marc Reiser of Middle Island. The bride earned a Ed.D. in mathematics education from Teachers College. The groom earned a master of science degree in computer science from Stony Brook University. They live in Selden.