Stephen is an international consultant with broad expertise for over 25 years in digital financial services, payment systems, central banking practices and legal and regulatory frameworks. Prior to working as an International consultant, Stephen was in charge of the National Payments System division at the Central Bank of Kenya, where he championed financial inclusion initiatives in Kenya- key among them was the globally recognised M-Pesa platform run by Safaricom which currently has 27 million subscribers, equivalent to a penetration rate of 75% in mobile money sector. 

Stephen has considerable experience working with a wide range of stakeholders in the digital financial world (Telecommunication firms, Banks, donor organisations, Treasury, other regulators). At a regional level, he has extended his leadership expertise in the harmonisation of various initiatives at an East Africa Community (EAC) level. At an international level, he is a regular contributor and an acclaimed global speaker at both International Telecommunications Union (ITU) and Alliance for Financial Inclusion (AFI) fora. In addition, he has excellent research capabilities and is frequently requested to carry out peer review assignments and book reviews for colleagues in the industry.