Dr. and Mrs. Edward Ruby of Fort Washington announce the engagement of their daughter, Alisa Ruby, to Isaac Bash, son of Lev and Faina Bash of Beverly Hills, Calif., and Leah Bash of Jerusalem.

    Alisa holds a bachelor's degree from the Claremont Colleges and a master's degree in psychology from Antioch University. She is currently completing a doctorate program in psychology at the California Graduate Institute, while working as a marriage and family therapist.

    Isaac graduated with a Bachelor of Science degree from the University of Southern California and earned a medical degree from the Chicago Medical School. He is an emergency-room physician at St. John's Health Center in Santa Monica, Calif.

    Alisa is the granddaughter of Ruth Kamner and the late Irwin Kamner, and Sonia Ruby and the late Dr. Victor Ruby. Isaac is the grandson of Moses Atlas and the late Rebecca Atlas, and Jacob Bash and the late Zelda Bash.

    The couple, who lives in Santa Monica, is planning a June wedding in Philadelphia.