Ellen and Ron Cohen of Langhorne announce the engagement of their son, Mark Harvey Cohen, to Jaime Lyn Gibson, daughter of Donna and Doug Gibson, Point Pleasant, N.J.

Jaime, a graduate of Marlboro High School, earned a bachelor's degree from the State University of New York in Oneonta, and an associates degree from the Fashion Institute of Technology in Manhattan. She is an account executive with Universal Intimates in New York.

Mark graduated from Council Rock High School in Newtown, and earned a bachelor's degree from Bryant College in Smithfield, R.I. He is director of cost control with Hunter Roberts Construction Group in New York.

The couple is planning a Nov. 19 wedding in Costa Rica.