William Francis McGuire III, known to most as Billy, of Chappaqua, NY, was born on May 5, 1985 passed away on March 24, 2013. He later attended Grafflin Elementary School, Robert E. Bell School, Horace Greeley High School and Franklin & Marshall College where he was a brother of Delta Sigma Phi. He was working towards his MBA at Columbia Business School. Billy loved baseball and was the captain of both his high school and college teams. He also dominated the golf course. Billy will be greatly missed by his family including his brothers, Jack and Ryan, his sister Molly, mother Denise and stepfather John Gonzalez, father Bill Jr. and stepmother Lorraine and the love of his life, his fiancée Liz Masi. A wake will be held at Beecher Flooks Funeral Home on Thursday and Friday, March 28-29, 2013 from 2-4 PM and 6-8 PM. A service will be held at the church of St. John & St. Mary at 10 AM on Saturday, March 30, 2013 In lieu of flowers, the family asks that donations be sent to The Billy Mac Fund, 350 East 79th Street, Suite 15E, New York, NY 10075. All donations will be used to improve local amateur athletics.