Richard Schilizzi – First International SKA Director, 2003-2011; at-large member of the International SKA Steering Committee, 1999-2002; Foundation Director of the Joint Institute for VLBI in Europe, 1993-2002. Current position: Emeritus Professor of Astrophysics, University of ManchesterRonald Ekers – One of the founding fathers of the SKA, and first chair of the International SKA Steering Committee (ISSC), 1999-2002; member ISSC, 1999-2007; Foundation Director of the CSIRO Australia Telescope National Facility, 1988-2003; first VLA Director, 1980-1988. Fellow of the Royal Society, the Australian Academy of Sciences, and the US National Academy of Science. Current position: CSIRO Fellow and Adjunct Professor at Curtin University in Australia.Peter Dewdney – SKA Architect, 2012-present; SKA Project Engineer, 2008-2012; member of the International SKA Steering Committee, 1999-2007, one of the early proponents of the SKA.Philip Crosby –Industry Participation Manager, SKA Program Development Office, 2009-2011; Business Strategy and Major Project Specialist, CSIRO Astronomy and Space Science, 2006-2008 & 2012-2017; preceded by many years of experience in industry. Current position: Honorary Fellow, CSIRO and Major Projects Consultant.