Tempus AI, Inc. (formerly Tempus Labs[1]) is an American health technology company[2] founded in 2015 by Eric Lefkofsky in Chicago, Illinois.[3] It was established by Lefkofsky soon after his wife was diagnosed with breast cancer.[4] Tempus uses data and artificial intelligence (AI) to create precision medicine services, including diagnostics,[5] for oncology, cardiology, radiology, and depression. The company went public on the Nasdaq on June 14, 2024, under the ticker symbol "TEM."[6][7]