Michael Berkeley will step down as chair of the challenger Aquis Stock Exchange after six years in the role.

Independent non-executive director Danny Lopez MBE has been appointed as his successor, effective from the 1st April 2026.

 Lopez has experience across finance, technology and international markets. He is currently CEO of cybersecurity company Glasswall and a member of the City of London Corporation’s Competitiveness Advisory Board.

Earlier in his career, he held senior roles in the UK government and financial services, including as British Consul General to New York, CEO of London & Partners and senior positions at Barclays in the UK, US and India.