Mr Knox is experienced and business leader with senior leadership, engineering and public markets experience in multi-national, domestic and Commonwealth companies. David was MD and CEO of Australian Naval Infrastructure. David was previously MD & CEO of Santos from March 2008 through until his retirement in December 2015. David is currently Chair of Snowy Hydro Limited and The Australian Centre for Social Innovation (TACSI). He is also a board member of Commonwealth Scientific and Industrial Research Organisation (CSIRO), Redflow Limited, Migration Council of Australia, Adelaide Festival (AF) and the Royal Institution of Australia (RiAUS). He is Member of Risk Committee.