Wesley Ryan De Witt Keywords digital and geo-referenced data collection project implementation poverty mapping spatial analysis Read more about Wesley Ryan De Witt Wesley De Witt is a Geographer and founding member of the World Bank's Geo-Enabling Initiative for Monitoring and Supervision (GEMS). He leads the GEMS engagement in the East Asia & Pacific Region and heads a team of geographers, developers, and technical specialists dedicated to furthering the support the GEMS team offers to its partners and clients globally.