Susan and Gilbert Rudman of Ambler announce the engagement of their daughter, Amanda Kate Rudman, to Seth Lorne Spergel of McLean, Va., the son of Rosalyn and Abraham Spergel of Mendham, N.J.
Amanda, a graduate of Wellesley College in Wellesley, Mass., is a third-year medical student at Penn State College of Medicine in Hershey.
Seth is a graduate of Brandeis University in Waltham, Mass., with a bachelor's degree in economics and computer science. He is employed in software sales with IBM.
Amanda is the granddaughter of Mrs. Ruth S. Gross of Wyncote.
The couple is planning a December wedding.