Danielle N. Leeser and Brandon J. Grzan were married Sept. 19 at St. Mary's Church in Manhasset. The reception was at The de Seversky Mansion in Old Westbury. She is an attorney and is the daughter of Judith Leeser of Goshen, Conn., and Raymond Leeser of Torrington, Conn. The bridegroom is a premier relationship manager for HSBC Bank and is the son of Ann Marie Grzan of Bellmore and the late Davor Grzan. The bride earned a juris doctorate from Hofstra University Law School. The groom earned a bachelor of science from St. John's University. They live in Floral Park.