Marc and Carole Kessler of Ventnor, N.J., formerly of Holland, Pa., announce the engagement of their daughter, Ronni Kessler, to John P. Hogan Jr., son of John and Toby Hogan of Philadelphia.

    Ronni, a Council Rock High School graduate, earned a Bachelor of Science degree in biology from Penn State. She also holds a master's degree in science education from the University of Pennsylvania. Ronni is a senior research coordinator at the University of Pennsylvania.

    John is a graduate of Central High School, and holds a Bachelor of Science degree in business administration and finance from the University of Pittsburgh. He is an underwriter for PNC Bank.

    Ronni is the granddaughter of the late Sydney and Irene Shore, and Phyllis Kessler and the late Phillip Kessler. John is the grandson of Dr. Joseph Rubin and the late Miriam Rubin, as well as the late Edward and Anastasia Hogan.

    The couple is planning an October wedding in Philadelphia.