As a health economist and policy advisor, Tyler supports governments and organizations to apply data in a variety of ways to address real-world challenges and support more informed decisions. Prior to Cooper/Smith, Tyler served as Health Economist and Special Advisor for Efficiency, Accountability, and Strategic Planning to the Office of the U.S. Global AIDS Coordinator (S/GAC), US Department of State. In this role, he was the technical lead for the restructuring of the PEPFAR Country/Regional Operational Plan (COP/ROP) process, primary author of the 2015 PEPFAR COP/ROP Guidance, and lead developer of the supporting analytic tools, data systems, and training materials. Tyler was also the lead for the PEPFAR Expenditure Analysis (EA) Initiative and supporting systems in 2012, institutionalizing the first cross-agency, results-linked financial accounting system within the U.S. Government development portfolio. In addition to his time at the State Department, Tyler served as Health Economist for the U.S. Centers for Disease Control and Prevention (CDC), research consultant for CARE (USA) and ACCESS Development Services (New Delhi, India), and Clinical Research Coordinator for the U.S. Department of Veteran Affairs (VA).