Long active in bar associations across the state, Kazarosian is a past president of the Essex County Bar Association and the Massachusetts Academy of Trial Attorneys. At the MBA, she has served on nine committees and sections, including the Access to Justice, Civil Litigation, Family Law and Probate Law section councils. Kazarosian has also served on the MBA's Executive Management Board, House of Delegates, Joint Bar Committee on Judicial Nominations, Nominating Committee and Gala Dinner Committee. In addition, she is a Life Fellow of the Massachusetts Bar Foundation, this year serving on the Fellowship Committee.

An accomplished trial lawyer, she was named one of the top 10 lawyers in the state in 1999 by Massachusetts Lawyers Weekly after successfully suing the Haverhill Golf and Country Club for gender discrimination. In 2006, Massachusetts Super Lawyers magazine chose Kazarosian for its cover story titled, "The Power of Marsha Kazarosian."

Active in the North Shore Community, Kazarosian is a corporator of the Pentucket Five Cents Savings Bank and a member of the Essex County 150th Anniversary Committee. She has also served as a board member of the Northern Essex Community College Foundation.

Kazarosian received her B.A. from the University of Massachusetts, Amherst in 1978 and is a graduate of Phillips Academy in Andover.

One of the MBA's vice president positions became vacant after the passing of Robert F. Lucas, a senior partner with Nigro, Pettepit & Lucas LLP in Wakefield. Lucas was an active leader in the MBA for many years, sitting on 14 MBA committees and boards. Kazarosian was elected vice president at the House of Delegates meeting held in Worcester last month.

Alongside Kazarosian, the other 2008-09 MBA officers include: Edward W. McIntyre, president, Clinton; Valerie A. Yarashus, president-elect, Boston; Robert L. Holloway Jr., vice president, Peabody; Denise Squillante, treasurer, Fall River; and Douglas K. Sheff, secretary, Boston.