Danae and Eric Delman of Mount Vernon announce the engagement of their daughter, Erika Caroline Delman to Jeffrey Alan Vliet. Erika grew up in Alexandria and is a graduate of Virginia Tech. She is currently working at a financial consulting firm in Tysons Corner, Va. Jeff is the son of Susan and Alan Vliet of Falls Church, Va. He is a veteran of the Air Force and currently works for the FAA. A wedding is planned for the fall of 2019.