Santander UK announced today the appointment of Mahesh Aditya as Chief Executive Officer of Santander UK Group Holdings plc and Santander UK plc effective 1 March 2026.
Mahesh joins from Banco Santander, where he has been Group Chief Risk Officer since 2023 and prior to that spent six years at Santander in the US, as Chief Risk Officer, Santander US for two years, followed by CEO of Santander Consumer USA from 2019 to 2023. He has over 30 years’ financial services experience having held positions across a range of blue-chip brands including Citi, JPMorgan Chase & Co and Capital One. Mahesh was appointed to the Santander UK Boards (Santander UK Group Holdings and Santander UK plc) on 1 October 2025.
Santander Chair, Tom Scholar said: “I am delighted to announce the appointment of Mahesh Aditya as our new CEO. With wide industry experience and deep knowledge of the Santander Group he is ideally placed to lead Santander UK through the next phase of our transformation and oversee a successful acquisition and integration of TSB. This will be critical to our ambition to be the best bank for customers in the UK.
“I would like to pay tribute to Mike Regnier for his outstanding leadership over the last four years. We will miss him and we wish him every success.”
Mahesh Aditya said: “I am pleased to be joining Santander UK as its CEO at such an important time. The acquisition of TSB will both accelerate our transformation and add to the considerable inward investment Group has made in the UK since it entered the market in 2004. It presents us with a real opportunity to execute the Group's strategy in the UK, in which the integration of TSB will play a crucial role. It will enhance our offer to customers, enable us to grow and become a more competitive business creating genuine value for our investors."
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Santander UK is a financial services provider in the UK that offers a wide range of personal and commercial financial products and services. The bank serves its customers via a nationwide branch network, telephone, mobile and online banking. Santander UK is subject to the full supervision of the FCA and the PRA in the UK. Santander UK plc customers’ eligible deposits are protected by the FSCS in the UK.
Banco Santander (SAN SM) is a leading commercial bank, founded in 1857 and headquartered in Spain and one of the largest banks in the world by market capitalization. The group’s activities are consolidated into five global businesses: Retail & Commercial Banking, Digital Consumer Bank, Corporate & Investment Banking (CIB), Wealth Management & Insurance and Payments (PagoNxt and Cards). This operating model allows the bank to better leverage its unique combination of global scale and local leadership. Santander aims to be the best open financial services platform providing services to individuals, SMEs, corporates, financial institutions and governments. The bank’s purpose is to help people and businesses prosper in a simple, personal and fair way. At the end of the third quarter of 2025, Banco Santander had €1.3 trillion in total funds, 178 million customers, 7,400 branches and 201,000 employees.