GLS 2015 Global Leadership Summit 2015 at a glance Written by admin on July 10, 2015 More in GLS 2015: Getting to know another GLS speaker: Adam Grant September 4, 2015 Getting to know another GLS speaker: Brian Houston August 7, 2015 Six leadership themes you can expect at the 2015 summit July 24, 2015 — Advertisement — Click to join movement