Daniel B. Winslow (born May 13, 1958) is an American lawyer, Republican Party politician, and former presiding justice of the Wrentham District Court. He was the state representative for the Ninth Norfolk district from January 2011 to September 2013. Winslow was chief legal counsel to Governor Mitt Romney between 2002 and 2005 and he also served as a presiding justice and appellate division justice in the Massachusetts Trial Court. Winslow ran to be the Republican nominee in the special election to succeed Secretary of State John Kerry in the United States Senate, but lost the primary election. Winslow stepped away from public life to serve as Senior Vice President and General Counsel of Rimini Street, Inc. (Nasdaq: RMNI).