Sean Diwan

Sean Diwan currently serves as CIO/CTO at Atlas Healthcare Partners since May 2025. Prior to this role, Sean held the position of CIO/CTO/CISO at Advanced Clinical from 2022 to 2025, overseeing a portfolio of companies. Sean's experience includes serving as Executive Director of Information Technology at Optum from 2020 to 2022 and Senior Vice President, CTO at R1 RCM from 2017 to 2020. Earlier roles include Executive Director of Software & Health IT at Sysmex America, CTO of Global Infrastructure & Information Security at DeVry Education Group, and various leadership positions in technology and information security at UScellular, Farmers Insurance, JPMorganChase, and Nuntius Systems. Sean holds a Master's degree in Health Administration from LSU Shreveport and additional qualifications in Operational Excellence and Problem Solving from GE Six Sigma and UCLA Extension.