Ian Davis is currently on the board of a number of private companies and non-profit institutions.

Previously, between 2013 and 2021 Ian was Chairman of Rolls-Royce plc and of Thoughtworks. From 2010 to 2023 he was Non-Executive Director of Johnson & Johnson Inc. and from 2010 to 2020 he was a Non-Executive Director of BP plc where he was also Senior Independent (Lead) Director. Between 2011 and 2017, he was a Non-Executive Director of the UK Cabinet Office, Teach For All (an educational non-profit), and Big Society Capital.

Ian is Senior Partner Emeritus of McKinsey & Company, where he was a consultant and partner for over 30 years. He served as Chairman and Worldwide Managing Partner of McKinsey between 2003 and 2009.