Jason Kropp advises emerging and growth-stage companies, venture and growth equity investors, and mature private businesses on strategic transactions across the life sciences, biotech, medical device, software, and e-commerce sectors. He counsels clients from formation through exit, including venture financings, M&A, and other key corporate deals, and has advised on 500+ private company financings totaling over $32 billion.

Jason serves as outside general counsel to numerous high-growth companies, guiding them through complex equity structures, governance issues, and strategic transactions.

Jason has been recognized in the 2015–2024 editions of Chambers USA for his work in Corporate/M&A in Massachusetts, with sources describing him as “really phenomenal in the corporate and securities area” and that “he has a great temperament, he’s a great negotiator, and he keeps his cool in situations.” He was named a “Life Sciences Star” by LMG Life Sciences (2023), and as “Venture Capital Attorney of the Year” by LMG Life Sciences in 2022 and shortlisted in 2023. Jason was also recommended in the area of M&A: Middle-Market and Venture Capital and Emerging Companies in the 2018 and 2019 editions of Legal 500 United States, named a Thomson Reuters “Stand-out Lawyer” — independently rated and selected by clients, and selected by peers for inclusion in The Best Lawyers in America® for Corporate Law (2024) and Venture Capital Law (2024).

Before law school, Jason worked as a legislative and press aide in the office of U.S. Representative William Delahunt, and as a legislative intern in the office of U.S. Representative Gerry Studds.