Marty has represented clients in health care and securities fraud investigations, defended white collar prosecutions, capital murder cases, and many other criminal investigations. He has also handled a remarkably diverse set of civil cases, including business and securities disputes, employment discrimination cases, non-compete and trade secret matters, legal and medical malpractice claims, False Claims Act cases and wrongful death matters, among many others. He has also represented senior business and community leaders facing career-threatening allegations of misconduct.
Companies, corporate directors, and non-profit organizations have called on Marty to conduct internal investigations across a wide array of subjects, including reviews of university gift policies, institutional response to sexual abuse, allegations of securities fraud, market manipulation, obstruction of justice, workplace hate crimes, and allegations of excessive executive compensation. He currently serves as counsel to a Monitor appointed by the Department of Justice and the Securities and Exchange Commission to evaluate a major financial institution’s compliance program.
Marty also regularly represents indigent defendants charged with serious crimes in federal and state court.
Marty brings to his work a decade of experience as a federal and state prosecutor. As a federal prosecutor in the District of Massachusetts, he headed the office’s Major Crimes Division and investigated and prosecuted federal securities, mail, wire and bank fraud cases, among others. As First Assistant District Attorney for Middlesex County, Massachusetts (the state’s largest county), he led a staff of more than 100 prosecutors and, as the office’s chief trial lawyer, personally prosecuted murder, white collar crime, civil rights, sexual assault and child abuse cases. He also supervised the office’s prosecutors in the Superior and District Court, and in its Special Investigations and Child Abuse Units. Marty was also appointed by Massachusetts Attorney General Maura Healey to serve as a Special Prosecutor to investigate the death of a patient in custody at the Bridgewater State Hospital.
Marty also plays an active role in the legal community. He served as co-chair of Suffolk County District Attorney Rachel Rollins' Transition Committee and has played a major role in many Boston Bar Association projects, including work as a chair of the Boston Bar Association's Covid 19-Response Working Group and the BBA’s Immigration Working Group. As the co-chair of the BBA’s Working Group on Criminal Justice Reform, he was a principal co-author of the Working Group’s 2017 report, No Time to Wait: Recommendations for a Fair and Effective Criminal Justice System. In 2014, he served as the co-chair of the Boston Bar Association’s Death Penalty Working Group, helping to lead the BBA’s effort to speak out against the federal death penalty. As co-chair of the Boston Bar Association’s Task Force to Prevent Wrongful Convictions, he co-authored the BBA’s widely publicized 2009 report, Getting it Right: Improving the Accuracy and Reliability of the Criminal Justice System in Massachusetts, and helped lead the successful effort to enact Massachusetts’ first statute to provide inmates imprisoned as a result of wrongful convictions with access to post-conviction DNA testing.
Marty is a member of the Board of Directors of the American Civil Liberties Union of Massachusetts. From 2010 to 2015, he served as a Commissioner of the Massachusetts State Ethics Commission.
After graduating from law school, Marty served as a law clerk to the late Hon. A. David Mazzone of the United States District Court for the District of Massachusetts.
