NEW YORK--(BUSINESS WIRE)--John Gerspach, Chief Financial Officer of Citigroup, will present at the Barclays Global Financial Services Conference on Wednesday, September 16, 2015. The presentation is expected to begin at approximately 7:30 AM (Eastern). A live webcast and presentation materials will be available at www.citigroup.com/citi/investor. A replay and transcript of the webcast will be available shortly after the event. About Citi Citi, the leading global bank, has approximately 200 mil