Greg Sacks (born November 3, 1952, in Mattituck, Long Island, New York) is a NASCAR driver. He is married to his wife Vicky and lives in Ormond Beach, Florida. Together they had three children: Paul, Brian, and Rachel. He and his sons are partners in Grand Touring Vodka.Sacks has spent most of his career as a Research & Development driver for many NASCAR teams. He won the 1985 Firecracker 400 at Daytona International Speedway acting as an R&D driver for DiGard Motorsports.
Competed in the NASCAR Winston Cup series between 1983-1998. Won the 1985 Firecracker 400 at Daytona over Bill Elliott. Qualified on the pole for the 1990 Firecracker 400. Won the 1996 Busch Grand National race at Talladega.