David J. Rosenstein, 74, of Carlisle, MA, formerly of Concord, MA and Woodbridge, CT, died Friday January 28, 2011. Born in Derby, Connecticut on August 13, 1936 he was the son of the late Samuel and Fannie (Ginburg) Rosenstein. He grew up in Woodbridge, Connecticut and was a 1958 graduate of the University of Connecticut. For the past thirty years he worked for Viracon Co. of Minnesota, as their Sales Representative for the northeast U.S. and Canada. On several occasions he received the companies Salesman of the Year award. A resident of the Boston area since the mid 1980's, he resided in Concord for several years before recently becoming a resident of Carlisle. He was a member of the Acton Rod and Gun Club, was an avid skier, enjoyed traveling and especially enjoyed spending time with his family. He was the loving father of Marc Rosenstein of Florida, Sarah R. Rosenstein and Sam J. Rosenstein, both of Concord, and the former husband of Maria Rosenstein of Concord. Memorials: Donations in his memory may be made to St. Jude Children's Research Hospital, Tribute Program, P. O. Box 1000, Dep't. 142, Memphis, TN 38148-0142. Cemetery: Interment, in Sleepy Hollow Cemetery, Concord Service: A funeral service will be held on Tuesday February 1st at 2 pm in Congregation Beth Elohim, 133 Prospect St., Acton.