Stewart is a well-rounded executive with specific expertise in information technology, consulting, entrepreneurial growth and professional services delivery. Prior to returning to IBM, he was the co-founder, Chief Technology Officer and Board member of Simage, a place-based Digital Out of Home (DOOH) new media company. He has had a progressive and versatile career as an Engineer, Principle Consultant, Executive Vice President of Consulting Services and Chief Technology Officer.
Stewart was the co-founder and CEO of Aspen Consulting, a Chicago-based I.T. consulting firm which placed 24th on the Inc. 500 list in 1998 and 227th in 1999. Aspen reached $20M a year in revenue and was sold to a $150M IBM Solution Provider in 2003. His other experience includes sales and engineering roles at IBM and Reuters where he worked in Europe installing and managing implementations of trading systems at UBS, Credit Suisse, ABN-AMRO, and HandelsBank NatWest. Stewart received his Executive MBA from Kellogg (2009) and a Bachelor of Science in Computer Engineering from Iowa State University (1986).