Jeffrey Robert Immelt is an American business executive currently working as a venture partner at New Enterprise Associates. He retired as chairman of the board of the U.S.-based conglomerate General Electric on October 2, 2017. He was selected as GE's CEO by their board of directors in 2000 to replace Jack Welch upon Welch's retirement from GE. Previously, Immelt had headed up GE's Medical Systems division (now known as GE Healthcare) as its president and CEO. Immelt stepped down as GE's CEO on August 1, 2017.