Daniel A. Wolf (born August 11, 1957) is an American entrepreneur, aircraft pilot, and politician. In 1989, he founded the Cape Cod-based airline Cape Air, which originally flew between Provincetown and Boston in Massachusetts, and has since expanded internationally. In 2010, he was elected to the Massachusetts Senate to represent the Cape and Islands district. He ran unopposed in 2012, and was subsequently re-elected to a third term in 2014. During his tenure, he has emerged as a progressive leader in the Senate, advocating for renewable energy, increased minimum wage, and universal health care.