Over the past two decades, Dr. Walton’s work has focused on low-resource settings – strengthening health systems, improving and expanding access to medical care, and coordinating new medical infrastructure.

He served numerous roles during the 15-plus years he worked for Partners In Health (PIH), a Boston-based non-profit organization, including: clinician, administrative director, liaison to the Haitian Ministry of Health, and Deputy Director of PIH Haiti. He also led several teams to design, construct and operationalize three hospitals in central Haiti, including Hôpital Universitaire de Mirebalais, a 350-bed teaching hospital – the largest and most advanced public sector hospital in the country.

After his tenure with Partners In Health, Dr. Walton spent four years with the software company ThoughtWorks as the Director of Global Health. He led a multi-national team that developed open-source digital tools for low-resource settings, including a hospital information system that has been widely implemented in over 30 countries.

Dr. Walton is the co-founder and previously served as the CEO of Build Health International, a non-profit dedicated to designing and building health infrastructure in low- and middle-income countries. He now works as the Senior Director of Global Health at Butterfly Network, focused on reducing disparities of access to healthcare by making medical imaging accessible to everyone around the world.