[1] In 2015 he was appointed a member of the faculty for the forthcoming Barack Obama Presidential Center which will be located in Chicago's South Side.

He developed his dissertation on the "Mortality Decline, the Demographic Transition, and Economic Growth" under the mentorship of Nobel-winning economist Gary Becker as well as Sherwin Rosen.

[9] Today it is the largest collection of data on performance of Hospital medicine, which has shown improvements in care as a result of hospitalist intervention.

[10] More recently, Meltzer received a prestigious Centers for Medicare and Medicaid Innovations (CMMI) award to study the Implications of a "Comprehensive Care Program" in which hospitalists physicians and advanced-practice providers follow-up with hospitalized patients in the home healthcare setting to reduce rehospitalization.

The lab brings together academics, research scientists, and professionals to evaluate and implement evidence-based public health programs at scale.

Notable projects by the lab include Transform911,[14] an effort to "explore how (America's) 9-1-1 system can better prioritize health and safety and ensure the right responder is dispatched at the right time", and the Road Map Initiative,[15] which merged and analyzed data across different sectors to reveal insights into vulnerable individuals who cycle at high rates between the homeless services, Cook County Jail, and hospitals in Chicago.