Mary Ann Livovich and Michael Livovich would like to announce the engagement of their daughter Mary Ann Livovich, of Chesteron, to Michael Sean Tomondi, of Merrillville. The bride-to-be is a graduate of Chesterton High School and St. Mary's College with a bachelor's degree in accounting. The groom-to-be is a graduate of Merrillville High School and Indiana University with a degree in business administration. The wedding will take place at St. Stephen The Martyr Parish in Merrillville on Oct. 21. The couple will reside in Lake County.