After graduating in 2003 from the University of Manchester with an honours degree in History and Economics, Russell joined Brit on the Graduate Scheme. After placements in the International Property Direct and Treaty divisions Russell finally settled in the War & Terrorism team in July 2006, where he progressed to the role of Class Underwriter.

In November 2014 Russell was promoted to the role of Divisional Director, responsible for the strategic development of Open Market Property, Political and Credit Risks and Terrorism accounts. In January 2019 Russell was appointed Managing Director of the expanded Property division which included Private Clients and Specie classes. In March 2024 Brit's Marine and Energy classes were added to his responsibilities.