John Marshall

Years of Experience

26 years


Dartmouth College
B.A. in Government

Industry Expertise

Financial Services

Big Four Alma Mater


John Marshall

Partner – Valuation

John brings 26 years of valuation advisory experience to WilliamsMarston. His extensive valuation expertise includes mergers and acquisitions, purchase price allocations, goodwill and intangible asset impairments, complex debt and equity instruments, investment management contracts including carried interest and performance fee rights, as well as litigation matters, solvency and fairness opinions. With broad experience across the financial services industry, John specializes in helping investment managers with their most important valuation issues.

Prior to WilliamsMarston, John was a Partner at Bay Valuation Advisors LLC (“BVA”), a nationally recognized leading provider of complex valuation advisory services for more than 4 years. While at BVA, John advised numerous clients ranging from early-stage venture backed entities to Fortune 100 companies with their complex financial and tax reporting valuation matters. Prior to BVA, John led Deloitte’s valuation practice for the investment management industry, advising many of the world’s largest investment managers. Prior to Deloitte, John was a Manager in the valuation practice of another Big Four firm, and prior to that, he worked in a boutique valuation and litigation consulting firm.​

John holds a Bachelor of Arts in Government, with a minor in German from Dartmouth College.