Prosecutor Jason Grosky Prosecutor Christopher O'Brien
The two-attorney Prosecution Division is responsible for handling all cases brought by the Police Department in Salem District Court.
Attorney Jason Grosky was born in Maryland while his father was stationed in the Army at Aberdeen Proving Grounds. He grew up in the Bradford section of Haverhill, Mass. He graduated from the University of Massachusetts with a bachelor’s degree in journalism in 1998. He worked as a newspaper reporter and was part of The Eagle-Tribune news team awarded the Pulitzer Prize in 2003 for breaking news coverage of four boys who drown in the Merrimack River in Lawrence, Mass.
Attorney Grosky graduated from Massachusetts School of Law in 2006 and worked as an assistant district attorney for the Essex District Attorney’s Office in Lynn, Mass. prior to becoming prosecuting attorney for Salem Police Department in 2009. He is an involved community member, serving as a selectman in the Town of Atkinson, and board member for the Rockingham County Republican Committee. He was also a member of the Rotary Club of Greater Salem and board member for Plaistow Community YMCA. He is licensed to practice law in Massachusetts and New Hampshire.
Attorney Chris O’Brien was born in Beverly, Massachusetts and grew up in neighboring Swampscott. He graduated from Fairfield University with a bachelor’s degree in political science in 2008, and received his law degree from New England Law | Boston in 2011.
After working for Ryan, LLC as a transaction tax consultant, Attorney O’Brien took a position at the Rockingham County Attorney’s Office in 2018. In the Assistant County Attorney role, Attorney O’Brien gained considerable prosecutorial experience working with the Salem Police Department on drug interdiction, property crime, and violent crime.
In September 2021, Attorney O’Brien joined the Salem Police Department as Assistant Prosecutor. He is licensed to practice law in Massachusetts and New Hampshire.
Michelle Espinola is the administrative secretary for the Prosecution Division. She has been employed by the Town of Salem since 2004.
The office number is 890-2340. Accused individuals who would like documents from their case may request that in person by using the request form found in the Police Department lobby.
Any questions related to the preparation of court proceedings, click here.