Prime Motor Group

David S. Rosenberg is the President of the Prime Motor Group located in Westwood, Massachusetts. He has worked in the automobile business for over a quarter century. In 1976, he began his career washing cars at his father's dealership, The Ira Motor Group. He's worked in parts, service, customer relations, sales, and in 1990 was made General Manager for Ira. In 1998 he became President of the Ira Motor Group. The company was then sold to a public company.

David is a graduate of Marblehead High School and Colby College and received his MBA from Columbia University. He has served on the Toyota New Era Advisory Board, and on the Board of Directors of the Massachusetts State Automobile Dealers' Association. In 2007, David bought the Clair group and renamed the dealerships. Prime Motor Group consists of Audi-Porsche in Westwood, Mercedes in Westwood, Acura in Walpole, Toyota - Scion and Honda in West Roxbury/Dedham, and Infiniti in Hanover. The company is also part of a group of dealerships in Maine and New Hampshire under the same name.

David and his wife Karen live on the North Shore with their 4 children.