Leon has headed the Enterprise business at The Economist Group since April 2025 which includes a portfolio of globally recognised products and services designed to empower strategic decision making and amplify messaging. Key brands within this business include EIU, Economist Media & Events and Corporate Network. 

Leon joined to lead Economist Enterprise in April 2024 having previously been partner and chief product officer at ESG Book, a sustainability focused fintech. Prior to this, he spent 15 years leading asset management, sustainable finance and investment banking at the London Stock Exchange Group (LSEG), Refinitiv and Thomson Reuters. Earlier in his career, Leon led the data operations at Mergermarket, now an ION Group company, Acuris.