MILFORD — Michael Kestenbaum and Christie Grimm are to be married Jan. 14 by the couple's close friend Scott Schwaitzberg at the Bowery Hotel in New York, N.Y.Christie Grimm, 25, is the president of Guest of a Guest in New York. She graduated from Barnard College of Columbia University.She is the daughter of Robert Grimm and Hillary Needleman of Milford, Pa. Her stepmother is a comptroller and consultant at Hotel Fauchere in Milford, Pa., where her father is also the hotel and restaurant bar manager.Michael Kestenbaum, 39, is the SVP of Strategy and Corporate Development in New York for Nexstar Digital. He graduated from Yale University.He is the son of Richard Kestenbaum and Linda Kestenbaum of New York, N.Y. Both Michael's father and mother are clinical psychologists in New York.