William Cook

Senior Financial Sector Specialist

Based in Nairobi, William Cook focuses on payments, financial market infrastructure, and digital business models. Before joining CGAP, William held a variety of roles in financial services, including six years with Ernst & Young LLP in the organization’s advisory and audit practices.

By William Cook

Blog

The Secret Life of Mobile Money Pricing

Mobile money fees are often viewed as a barrier to financial inclusion, but they can play an important role in building healthy markets for digital financial services.
Blog

How Do Mobile Money Fee Structures Impact the Poor?

Pricing data from leading mobile money providers shows significant diversity in pricing models.
Blog

Interoperability: More Than a Technological Challenge

For most practitioners, interoperability brings to mind the technical tools that allow modern payment systems to work together. CGAP’s new global scan on digital financial services interoperability makes it clear that exchanging payments is about much more than technical connections.
Research

Digital Finance Interoperability & Financial Inclusion

Interoperability—the ability for different systems to connect with one another—is attracting a lot of attention among digital finance experts. This Working Paper presents findings from a 20-country scan conducted in 2016 to assess the state of interoperability in select markets around the world.