Tami L. Mark is an internationally known health economist and expert on behavioral health care financing and delivery. Mark collaborates with Federal and state agencies to improve their behavioral health treatment systems through research, data analytics, technical assistance, and policy development. She has authored more than 100 scholarly peer-reviewed journal articles and numerous government reports on behavioral health financing and delivery. She was a contributing author to the healthcare systems chapter of The Surgeon General’s Report on Alcohol, Drugs, and Health. She serves on the behavioral health advisory committee of the National Quality Forum, and is on the board of Cornerstone Montgomery. She has also served on advisory committees for NIH, SAMHSA and AHRQ. In September 2017 she addressed the issue of payment and coverage of substance use disorders at a summit hosted by the Centers for Medicare & Medicaid Services and the CMS Innovation Center on innovations in behavioral health payment and care delivery. Before joining RTI in 2017, Mark was a vice president and Director of the Center for Behavioral Health Services Research at Truven Health Analytics, an IBM company, previously known as Thomson Reuters and Medstat.