Mark Dorff, Chair of the Firm’s International Corporate Group, focuses on complex cross-border transactions. He represents entrepreneurs, companies ranging from start-ups to billion-dollar corporations and a broad range of investors including funds and family offices in complex transactions around the world.

Mark is Chairman Emeritus of the Law Firm Network, a strong association of independent law firms from all over the world. The Network forms a key part of Brown Rudnick’s extended global network.

As a member of Brown Rudnick’s Family Office and Africa teams and as Co-Chair of the Firm’s Global Life Sciences team, Mark is part of collaborative, cross-disciplinary initiatives assisting clients in these areas.

Mark works with the Corporate Restructuring Group on corporate aspects of insolvency, restructuring and distressed situations and transactions.

Mark's practice is regularly ranked highly and recognized in industry publications. Chambers UK 2018 notes that Brown Rudnick's venture capital team is a “respected London practice with a long-standing reputation for venture capital work. [The team] counts a number of highly regarded venture capital firms among its clients, alongside roles acting for entrepreneurial businesses and growth companies.” Legal 500 UK 2018 comments, "Brown Rudnick provides a ‘high level of service’ for both investors and investees on deals which involve a cross-border complexion, particularly within the life-sciences, technology and cleantech sectors. Dual-US and UK-qualified team head Mark Dorff is also recommended.

Mark is qualified as a US lawyer and as an English solicitor. He is based in Brown Rudnick’s London Office and serves on the Firm’s Management Committee.



Negotiating on behalf of buyers, sellers and management teams on numerous cross-border M&A, private equity and buy-out transactions involving the acquisition or sale of companies in the US, the UK, Europe and around the world.

Advising family offices and other private family investors on structuring and executing a broad range of transactions around the world including M&A deals, investments in property and natural resources, establishing funds and investments in funds and other bespoke and structured investments.

Representing both investors and investee companies in connection with numerous venture capital and growth equity transactions in the US, the UK, Europe and around the world.

Representing international companies, investment banks and investors on US aspects of global securities offerings including in connection with Rule 144A and other private placements in the United States.

Advising management teams and boards of directors on a wide range of corporate governance and strategic matters.

Structuring a broad range of complex licensing and strategic partnership transactions in the US, the UK, Europe and around the world on behalf of numerous international technology and manufacturing businesses.


Boston University – JD, 1994
Ohio State University – B.S., cum laude, 1991

Bar Admissions

England and Wales
Speaking Engagements
Awards and Honors