Marissa Thomas

Marissa has been a partner at PwC since 2004 where she focuses on advising leading organisations across the private equity industry sector.  She has held a number of positions on PwC’s Management Board between 2017 and 2024.

Marissa joined the UK Management Board in May 2017 as the Head of UK Deals, and subsequently moved on 1 July 2019 to be the Head of UK Tax. In January 2022, she was appointed to the role of Chief Operating Officer and joined the Executive Board, and from 1 July 2022 to Managing Partner. 

As Managing Partner and COO, Marissa was responsible for delivering the firm's sustainable, profitable growth strategy and driving investments to ensure ongoing relevance of client services. She also held executive responsibility for the firm's Sustainability strategy.

As Head of UK Deals Marissa was responsible for leading the Transactions, Lead Advisory, Restructuring & Forensics, and Value Creation & Realisation businesses. As Head of UK Tax she led the Tax, Legal, and People & Organisations businesses. 

"The volatile and uncertain environment we are all operating in isn’t going to change anytime soon. We are investing in the areas where our clients face the most significant challenges and opportunities - such as innovative Technologies, Transformation and ESG - to enable us to deliver lasting value for our clients, our people and wider society."

Marissa has been with the firm since 1993. She has significant experience advising private equity, sovereign investors and large corporate clients on tax related matters on international transactions. Marissa is a Chartered Accountant with the ICAEW.