Dennis grew up right around the corner from Mount Kisco in Pleasantville. He attended Byram Hills through 8th grade and then went to Kennedy Catholic in Somers for High School. From there he attended Boston College, where he was very involved in retreats and young adult activities around faith and spirituality. Dennis and his wife Megan, and children Norah and Riley now live in Mt Kisco, just a mile from the church. Norah graduated from the Little Blessings school, and Riley is currently enrolled there.They started attending LCR in 2012, and become members in 2013. Dennis currently works in Times Square for Thomson Reuters in New York City.