Starting in 2017 as part-time Medical Director at Thresholds’ substance use treatment program, Dr. Cook became Chief Medical Officer (CMO) in 2022 before expanding his role in community health full-time there in 2023. Dr Cook serves the dual role of CMO at Thresholds Health while seeing patients impacted with HIV and addiction. He has the privilege of working alongside a talented group of primary care providers in the Thresholds Health location.

Dr. Cook has been assisting and serving the underserved communities throughout his medical career: in Chicago’s Austin neighborhood, especially treating people of color suffering with drug addiction, and through his work with the LGBTQ community from the beginnings of the HIV epidemic.