Mr Stewart served on BigAir Group Limited's Board from June 2008 and was its Chair at the time of BigAir's acquisition by Superloop in December 2016. From 2018 -2024 Vivian held the role of Chief Operating Officer of Bigtincan Holdings Ltd - an ASX listed enterprise software company focused on the global Sales Enablement market, where he also led the M&A & IR functions and Special Projects. Prior to Bigtincan, he spent 10 years as an independent corporate advisor specialising in sale, merger and acquisition transactions and related capital strategy for public and private companies. He has background in the IT&T industry, private capital and corporate advisory services. He co-founded ISP Magna Data, venture firm Tinshed, corporate advisory firm Callafin and angel investment group Sydney Angels and its two venture capital funds. He serves on the Investment committee of Sydney Angels Sidecar Fund I and II. He is Chair of risk and compliance committee.
