He is also Scientist at the Yale Center for Outcomes Research and Evaluation. He has been funded by the NIH, AHRQ, and the Emergency Medicine Foundation to study health system outcomes and efficiency, and he is supported by the Centers for Medicare and Medicaid Services as co-Principal Investigator of the Emergency Quality Network (E-QUAL) and for the development of the Overall Hospital Quality Star Ratings. He has received over $6 million in grant funding and published over 80 peer-reviewed papers and is senior editor of The Evidence book series. He is national leader within ACEP and SAEM and he serves on expert panels for the National Quality Forum (NQF), Agency for Healthcare Research and Quality (AHRQ) and CMS. His work is also funded by the National Institute of Drug Abuse and the Addiction Policy Forum to advance the quality and delivery of emergency and acute care for opioid use disorder.