Mr Stewart has a background in the technology & software industries, venture capital and corporate advisory services. He co-founded pioneering ISP Magna Data, venture capital firm Tinshed, corporate advisory firm Callafin and angel investment group Sydney Angels and its two sidecar funds. Prior to Bigtincan, Vivian spent 10 years as an independent corporate advisor in sale, merger and acquisition transactions and related strategy for public and private companies. Vivian served on fixed wireless and broadband telco BigAir Group Limited's Board from June 2008 to 2016 as a Non-Executive Director and Chair. Vivian brings over 17 years' experience on ASX-listed boards, together with experience in technology, software, strategy, finance, risk & governance, capital markets and stakeholder management. Vivian is chair of the Risk and Compliance Committee.