Michael Zarren - Assistant GM and Team Counsel

A lifelong Celtics fan and season ticket holder, Michael Zarren is now the Celtics’ Assistant General Manager and Team Counsel. Now in his fourteenth year with the team after starting as an unpaid intern, Zarren is widely recognized as one of the leaders in the field of advanced statistical analysis of basketball players and teams and is an important part of the team’s strategic planning and player personnel evaluation processes. Zarren is also the team’s salary cap expert and lead in-house counsel (for both basketball and business-side issues), and is responsible for the development of new technologies for team use, including the team’s best-in-class statistical database and video archive/delivery system.

A graduate of Harvard Law School (where he served as editor-in-chief of the Harvard Journal of Law and Technology) and of the University of Chicago, Zarren has also served as a law clerk on the United States Court of Appeals for the Sixth Circuit. Zarren was also previously a management consultant for Fortune 500 firms across a wide variety of industries. A native of Swampscott, Zarren is a member of the bars of New York and Massachusetts and of the Board of Trustees of the Waring School.


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