People

HealthNet Inc., a system of not-for-profit health centers in Marion County, has named Ricardo Diaz chief operating officer, effective Aug. 19. For the past seven years, Diaz worked as chief operations officer for Southern Illinois Healthcare Foundation. Diaz is a veteran of the U.S. Marine Corps. He holds a bachelor’s degree in health care administration from American Intercontinental University and a master’s degree in business administration from Ashford University.

Pearl Pathways recently hired Mark Killion as business development director. The Indiana University graduate has been a salesman for various companies, including Actavis Inc., Acorda Therapeutics and Savient Pharmaceuticals.

Indianapolis-based medical research organization Regenstrief Institute Inc. named Thane Peterson executive operating officer. Peterson has served since 2006 as senior director for contracts and compliance at Iowa-based Telligen, a population health management organization. He previously served as director of the office of sponsored programs administration for Iowa State University. Peterson holds a bachelor’s degree in business finance from Iowa State and a master’s of public administration from Drake University.