Wayne and Wendy Yarnall of Wallingford announce the engagement of their daughter, Jillian Susan, to Julian Mason Bynum, son of Stanley and Lucie Bynum of Birmingham, Ala.
Jillian and Julian met while students at Princeton University.
Jillian graduated summa cum laude with a degree in psychology, and was elected to Phi Beta Kappa. She is completing work toward a master's degree in public health at New York Univer-sity.
Julian graduated with a degree in economics and a certificate in finance. He is a CFA charter holder, and is employed by Citi in Manhattan.
Jillian is the granddaughter of Dr. Arthur and Evelyn Coltman of Delray Beach, Fla., formerly of Meadowbrook, Pa.; and Emily Yarnall of Rehoboth, Del., and the late Samuel Yarnell. Julian is the grandson of Mrs. Ralph Bynum of Talladega, Ala., and the late Ralph Bynum; and the late Mr. and Mrs. Julian Lee Mason Jr.
The couple, who lives in Manhattan, is planning an April wedding in Philadelphia.