Richard Stephen Sackler is an American billionaire businessman and physician who was the chairman and president of Purdue Pharma, a former company best known as the developer of OxyContin, whose connection to the opioid epidemic in the United States was the subject of multiple lawsuits and fines, and that filed for bankruptcy in 2019. It has been claimed that Richard Sackler's Purdue is among ”the worst drug dealers in history” and the Sackler family have been described as the "most evil family in America". The company's downfall was the subject of the 2021 Hulu series Dopesick and the 2023 Netflix series Painkiller.