Senator Ken Donnelly is the State Senator for the Fourth Middlesex District, consisting of the city of Woburn and the towns of Arlington, Billerica, Burlington and Lexington, precincts 1 and 2 and 4 to 7, inclusive, in the county of Middlesex.                      

Senator Donnelly has spent over 54 years living in and serving the 4th Middlesex district . Born in Cambridge, Ken moved to Arlington at age 7, attended the public schools, and raised a family with Judy, his wife of 42 years.      

Ken currently serves as the Senate Chairman of the Joint Committee on State Administration and Regulatory Oversight and the Vice Chairman of Joint Committee on Elder Affairs.

Ken holds a BA from the University of Massachusetts and is a graduate of the Harvard University Trade Union Program. Ken and Judy have 3 children and are the proud grandparents of 5.