Santander UK boss to exit ahead of TSB mergerMike Regnier took the helm at Santander UK in March 2022. The chief executive of Santander UK announced his exit from the banking giant on Friday ahead of the firm’s landmark takeover of TSB. “The integration will take time and focus, alongside the ongoing transformation of Santander UK which has strong momentum under an excellent Board and management team,” he added. Santander UK to bulk up with TSB takeoverSantander snapped up TSB Bank for £2.6bn in July – with expectations the final deal will be valued at £2.9bn – in a significant move to beef up the lender’s market share. The deal handed a major boost to Banco Sabadell, which purchased TSB in 2015 for £1.7bn.