Pam and Mark Calmann of Phoenixville, and Dorothy and Steve Dissin of Yardley announce the engagement of their children, Melissa Calmann and Lee Dissin.

    Melissa is a graduate of the University of Massachusetts Medical School, where she earned a Ph.D. in biomedical sciences. She is a process scientist for Johnson & Johnson in Malvern.

    Lee earned a bachelor's degree in anthropology from Temple University. He is a district manager for HGA.

    The couple lives in Thorndale, and is planning a May wedding in Riviera Maya, Mexico.