Santander today announced the appointment of Mahesh Aditya, currently group chief risk officer (CRO), as Santander UK’s next CEO starting on March 1st, 2026. He will replace Mike Regnier, who decided to step down from the role in October 2025.   

The list pays tribute to those best regarded among the world’s major corporate enterprises. Compiled by Fortune magazine and consultancy firm Korn Ferry, it is based on a survey of 3,000 executives, directors and analysts.