Stewart has spent ten years in Pre-sales, Partner Relations, Marketing and Business Development in the IT industry. Having been at Oracle working on social media strategy for Enterprise 2.0 he has an understanding of the corporate account base, whilst for the previous nine years at Sun Microsystems, Stewart has worked with independent software vendors, channel partners and small businesses/startups. His most recent appointment as EMEA Manager for the Emerging Business Team at Sun Microsystems focused on developing and executing a EMEA strategy to support start-ups and early stage companies, working with the investor community, startup community, entrepreneurship groups, government and Academia.

The Sun Startup Essentials programme for EMEA was managed by Stewart from 2007/2010 Stewart has negotiated alliances with key partners such as Bebo, MySpace and NTT Europe to help enable expansion and support of the programme on a global scale, outside of his EMEA remit.

He is a regular speaker and ambassador at key industry events in Europe on the subject of entrepreneurship, innovation, growing sales in/out of region and using social media as a sales enabler. A keen advocate of supporting organisations, Stewart is a advisor/mentor to the difference engine, and gives time and advisory support to NACUE (National Consortium of University Entrepreneurs)

Outside corporate land, Stewart is a social entrepreneur and runs with The Alternative School an education provider focused on delivering education in a more holistic manner, is a mentor to The Next Women organisation, and on advisory boards for Media140 and WhiteBull.