Michael Lesser

Michael A. Lesser joined Thornton Law Firm as an associate in 1995 after previously clerking at the firm. He heads the firm's whistleblower litigation section, representing individuals who report violations of securities laws under the SEC Whistleblowing statute and individuals who report fraud on the government through the Federal and state False Claims Act. In 2020 his client, an FX trader who worked for Bank of New York Mellon, received what was then the largest individual SEC whistleblower award in history, nearly $50 million for providing information that led to a successful enforcement action returning significant funds to harmed investors. He was named an Up-and-Coming Lawyer by Massachusetts Lawyers' Weekly in 2002 and a Massachusetts Super Lawyer in 2021, 2022, and 2023.