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# Mahesh Aditya Appointed CEO of Santander UK, Succeeding Mike Regnier
- URL: https://www.theglobalbanker.com/mahesh-aditya-appointed-ceo-santander-uk-succeeding-mike-regnier-march-2026/
- Published: 2026-03-01T12:38:00.000Z
- Updated: 2026-10-02T14:29:49.000Z
- Description: Mahesh Aditya became CEO of Santander UK effective 1 March 2026, taking over from Mike Regnier, who announced in October 2025 that he would step down after four years leading the bank.
- Author: TGB Editorial Team
- Tags: Executive Moves, Europe, #archive

Mahesh Aditya assumed the role of chief executive of Santander UK Group Holdings plc and Santander UK plc on 1 March 2026, bringing to completion a leadership transition that was set in motion when his predecessor Mike Regnier announced his intention to step down in October 2025\. The formal appointment of Aditya was confirmed earlier in the year.

Aditya joined the Santander group in 2017\. He has served as group chief risk officer. He previously served as chief executive of Santander Consumer USA and also as chief risk officer for Santander's broader US operations. 

#### PREDECESSOR

Regnier's decision to step down, announced in October 2025, was described as a decision to pursue other interests.

#### ABOUT SANTANDER UK

Santander UK operates across mortgages, personal current accounts, savings, and business lending.