Consumer banking Ex-CEO Harrison: JPM Is 'Doing Great' Post-Whale Published March 27, 2013 5:20 PM | Updated February 10, 2020 10:45 AM 2:42 Facebook Twitter LinkedIn Email William Harrison, former chairman and CEO of JPMorgan Chase, is "very happy" with the bank's current position and confident the fallout from its London Whale trading losses will blow over.