Ian Barclay

Ian Barclay is a board member at Anthesis, the world’s leading sustainability consultancy which is part of the Carlyle portfolio. He was previously a founder of Wallbrook, a global ESG advisory firm that merged with Anthesis in 2023. Prior to Wallbrook he worked as Executive Managing Director at Stroz Friedberg and Aon and was part of the management team that oversaw the acquisition and integration of the cyber risk manager Stroz Friedberg by Aon Plc in 2016.

Ian was previously a Director of Billiter, a leading due diligence and investigations firm and oversaw the establishment of the firm’s London and Hong Kong offices. Ian started his career at UBS Warburg and has degrees from Queen Mary College and the University of Cambridge in Law & Politics and International Relations. He has been ranked Band 1 by Chambers and Partners for Investigative Due Diligence since the guide’s inception.