Founder of G.A. Sullivan Co. and Hamilton & Sullivan Ltd, Gregory A. Sullivan holds the position of Chief Information Officer of Carnival Corp. and Chief Information Officer of Carnival Plc. He is also Council Member at James Mckelvey School of Engineering.
In the past he occupied the position of Chief Executive & Chief Technology Officer at Global Velocity, Inc., Chief Executive Officer at G.A. Sullivan Co. and Chief Technology Officer for Hamilton & Sullivan Ltd.
He received an undergraduate degree from Washington University in St. Louis.