Stephen Rosen > Cooley (UK) LLP > London, England > Lawyer Profile

Cooley (UK) LLP
22 Bishopsgate

Living Wage

Stephen Rosen photo

Work Department

Emerging Companies
Life Sciences
Mergers & Acquisitions
Venture Capital
Private Equity


Stephen Rosen is a partner in our London office. Stephen’s experience is in acting for high growth companies, investors, entrepreneurs and management teams on corporate transactions with particular expertise on company sales and purchases, mergers and acquisitions and private equity and venture capital financings across a range of industry sectors. Stephen also regularly acts for spin outs, VC funded companies and well known investors in the life sciences sector.

Clients have said that Stephen is “incredibly smart and switched on” and “can be tough when required but is also calm and fair” and “he stands out for his tenacity and ability to deliver practical solutions when problems arise.” Further comments include “Stephen was acting on the other side to us and we were so impressed we asked him to help us on our next deal.”


Prior to joining Cooley in 2016, Stephen was at Olswang where he was previously Head of Corporate, London and Head of Private Equity and Venture Capital and a partner for 14 years.


  • Chester College of Law
    LSF, 1993
  • University of Leeds
    LLB, 1992

Lawyer Rankings

London > Corporate and commercial > Private equity: transactions - mid-market deals (up to £250m)

(Hall of Fame)

Stephen RosenCooley (UK) LLP

Noted for its strong focus on mid-market tech sector deals, Cooley (UK) LLP works with a litany of high-profile management teams on all manner of transactions. Practice head Stephen Rosen works with a range of VC-funded growth-companies and life sciences investors, with recent highlights including multi-million-pound cross-border acquisitions. Ben Shribman, a specialist in PE and growth capital fundraisings, is also recommended. Michal Berkner has left the firm.

London > Corporate and commercial > M&A: Lower Mid-Market Deals, £100m-£750m

Led by the highly experienced Stephen Rosen, the ‘knowledgeable, intelligent’ team at Cooley (UK) LLP is well-versed in all manner of transactions, working with buyers, sellers, shareholders, financial advisers and private equity funds. The practice regularly handles cross-border matters in the technology and life sciences sectors, and is noted for its expertise in the startup and venture capital space. Ben Shribman specialises in advising venture capital backed clients in a range of transactions, while managing partner Justin Stock, and senior partner David Bresnick are further key names to note. Life sciences expert Simon Amies joined the team in May 2023 from Covington & Burling LLP, strengthening the team’s sector-specific offering in M&A, IPOs, capital raisings and venture and growth capital investments. Michal Berkner  has left the firm.