Eric Lefkofsky is a serial entrepreneur-turned-investor who co-founded Groupon and founded Tempus, and he continues to actively run Tempus as CEO while serving as a general partner at Lightbank, giving him current operator experience that most VCs lack. He co-created Lightbank specifically to build the Chicago tech ecosystem rather than moving to a coastal hub after his success, and he focuses on data-driven businesses that can improve healthcare outcomes, drawing from his deep experience scaling AI and precision medicine companies. Eric Lefkofsky is a serial entrepreneur-turned-investor who co-founded Groupon and founded Tempus, and he continues to actively run Tempus as CEO while serving as a general partner at Lightbank, giving him current operator experience that most VCs lack. He co-created Lightbank specifically to build the Chicago tech ecosystem rather than moving to a coastal hub after his success, and he focuses on data-driven businesses that can improve healthcare outcomes, drawing from his deep experience scaling AI and precision medicine companies.