Kristen Walker and Christopher Vaianella were married Oct. 31 at North Isle Village Community Center in Coram with a reception following. She works in accounting for AHRC in Bohemia and is the daughter of Maureen Burch of Medford and William Walker of Miller Place. The bridegroom is a substitute teacher and is the son of Linda and Charles Vaianella of Coram. The bride graduated from North Babylon High School. The groom earned a bachelor of arts in elementary education, a bachelor of science in mathematics, a master of arts from Stony Brook University and is pursuing a certification in secondary education mathematics from Dowling College. They live in Coram.