Xavier R. Rolet is a French businessman, a Harvard University Fellow, a Yale University Center for Business and the Environment Board Member, Managing Partner of Grayling Centennial LLC, Chairman and chief executive officer (CEO) of World Quantum Growth Acquisition Corporation, a NYSE-listed company (WQGA.U). He was CEO of CQS until January 2020, and before that, CEO of the London Stock Exchange Group. He was included in the 2017 Harvard Business Review's List of the Best 100 CEOs in the World and is a frequent keynote speaker at business events. Rolet is an advocate for supporting start-ups and the funding of SMEs to promote innovation and job creation.

London Stock Exchange Group plc is a United Kingdom-based stock exchange and financial information company headquartered in the City of London, England. It owns the London Stock Exchange, Refinitiv, LSEG Technology, FTSE Russell, and majority stakes in LCH and Tradeweb.