Ellen and Alan Rabin of Ormond Beach, Fla., and Amy and Lonny Cades of Huntingdon Valley announce the engagement of their children, David Michael Cades and Bess Adriyel Rabin.

    David is summa cum laude with honors graduate of Tufts University with a Bachelor of Science degree in human factors psychology. He also holds a Master of Arts degree in psychology from George Mason University. David is in his third year of the doctoral program at George Mason University in human factors and applied cognition.

    Bess graduated from Tufts University summa cum laude with a Bachelor of Science degree in mathematics and quantitative economics. She works as an actuary for the human-resources consulting firm Watson Wyatt Worldwide.

    David is the grandson of Abraham and Doris Cades of Philadelphia, and Marvin and Leonora Flowerman of Far Hills, N.J. Bess is the granddaughter of Ilene Shepard Epstein of Hillsboro Beach, Fla., and the late Rabbi Jordan Shepard; and Bernice Rabin and the late Arthur Rabin of Delray Beach, Fla.

    The couple is planning a September 2008 wedding in Daytona Beach Shores, Fla.