Gregory M. O'Shaughnessy
Partner

Practice Areas

Experience

Gregory O'Shaughnessy works extensively in the area of mergers and acquisitions, including representing public and private strategic buyers as well as financial buyers and sellers of privately held businesses. During his career, he has advised clients in connection with merger and acquisition transactions having an aggregate value in the billions of dollars.

In addition, Gregory serves as outside general counsel to a variety of emerging growth companies in the high-tech, life sciences, and cleantech sectors. His work for these companies covers all aspects of their legal needs, including corporate formation, venture capital financing, executive compensation, general corporate matters, and intellectual property issues. As part of this area of his practice, Gregory co-chairs the firm’s SEEdling Program (Services for Emerging Entrepreneurs) which focuses on providing critical services to start-up technology companies being spun-out of universities.

Further, Gregory represents private equity, venture capital, and angel investors in connection with their portfolio investments and has assisted clients in investing hundreds of millions of dollars in such transactions.

Gregory was recognized as a Massachusetts Super Lawyers’ Rising Star in the area of corporate law by Boston Magazine in 2007.

Admissions

Admitted to practice in Massachusetts.

Education

Boston College Law School, J.D.
Yale University, B.A.

Affiliations

Gregory serves on the Membership Committee of the Boston Chapter of the Association for Corporate Growth and on the Steering Committee of The Innovators at the Boston Museum of Science. He is also active in the alumni associations of the Phillips Exeter Academy and Yale University. In addition, Gregory is a member of the American and Massachusetts bar associations.