14 July 2025
The Institute and Faculty of Actuaries is delighted to confirm the election of Professor Tim Lenton and Andrew Warwick-Thompson as Honorary Fellows.
Following their nomination and approval by the IFoA Council, Tim and Andrew’s election as Honorary Fellows was confirmed by an online member vote in July 2025.
Professor Lenton is the founding Director of the Global Systems Institute at the University of Exeter and Chair in Climate Change and Earth System Science. Renowned for his work identifying climate tipping points, Tim works with policymakers and businesses helping them assess the risks of climate change and nature loss and highlighting the opportunities for ‘positive tipping points’ that can accelerate change towards net zero.
Professor Lenton has worked extensively with the Institute and Faculty of Actuaries on a series of influential reports aimed at improving climate risk management in the financial sector: ‘The Emperor’s New Climate Scenarios’, ‘Climate Scorpion – the sting is in the tail’, and ‘Planetary Solvency – finding our balance with nature’.
Andrew Warwick-Thompson is a board-level pensions business leader, consultant, chair of trustees and regulator with experience in both the private and public pensions sectors.
Andrew was the CEO of LGPS Central Limited, an asset pool for eight Midlands Local Authority pension schemes with combined assets of c£45bn. He was the Executive Director for Regulatory Policy at The Pensions Regulator, where he was responsible for formulating the regulator’s DB, DC, AE and international policy. He also served as a Partner at Aon Hewitt where he held a variety of consulting roles within the firm’s pensions, insurance and investment practices. He has also been the Chair of Trustees of a well-known charity’s pension plan.
IFoA President Paul Sweeting said: “I congratulate Tim and Andrew on their election as our newest Honorary Fellows. Through their groundbreaking and award-winning work on climate tipping points, and dedicated and extensive leadership in the pensions sector respectively, Tim and Andrew have achieved distinction in their fields and consistently demonstrated the values of the IFoA in serving the public interest. I look forward to continuing to work with them during my Presidential term.”
See full biographies of our new Honorary Fellows
Read more about the criteria, voting process, and how you can make your own nominations on our Honorary Fellowship page.