The Board of Directors of Expert System announced that Walt Mayo has been appointed Group Chief Executive Officer. Walt joins Expert System with more than 20 years of sales, marketing and channel development leadership working with high-growth technology and scale-up businesses across the globe. He will be instrumental in expanding Expert System's expansion in the US as well as responsible for driving a new phase of growth globally. Prior to joining Expert System, Walt Mayo led the growth of Endeavor, an impact capital organization focused on scale-up businesses, more than tripling its global market reach and developing major new sources of revenue. Walt previously worked at Dell across a range of sales, marketing, software, and channel management roles and in accelerating the company's international growth as General Manager for Southern Europe, Australia, Japan and Asia.