Stanley C. Rosenberg (born October 12, 1949) is an American politician who served as President of the Massachusetts Senate[1] from January 2015 until December 2017.

A Democrat, Rosenberg resigned from the Senate on May 4, 2018, amidst a sexual harassment scandal involving his husband, Bryon Hefner.

He attended the University of Massachusetts Amherst and operated a hot dog cart as a self supporting student and played the tuba in the marching band.

Rosenberg has also been heavily involved in Pskov, Russia where he, and other members of the Legislature and professional community have been traveling for over 15 years in an effort to foster goodwill and encourage economic, social, and political progress.

In Franklin County: Bernardston, Colrain, Deerfield, Erving, Gill, Greenfield, Leverett, Leyden, Montague, New Salem, Northfield, Orange, Shelburne, Shutesbury, Sunderland, Warwick, Wendell and Whately.

[6] In December 2017, Rosenberg voluntarily stepped down as Senate President while an ethics probe into his possible role in the scandal began.

[8] On March 29, 2018, a state grand jury indicted Rosenberg's husband, Bryon Hefner, on charges of sexual assault, criminal lewdness, and distributing nude photographs without consent.

[14] He was one of five openly LGBT members of the Massachusetts General Court, alongside Representatives Sarah Peake (D–Provincetown), Kate Hogan (D–Stow), Denise Andrews (D–Orange) and Liz Malia (D–Jamaica Plain).