2013-to date Chair of Electrical Engineering, Department of Electrical and Electronic Engineering, The University of Hong Kong, China 1994-to date organization of Electrical and Information Eng, The University of Sydney, Australia: Chair of Electrical Engineering (1994-2002, 2010-2013) Australian Research Council Professorial Fellowship (2011-15) Director of the Centre for Future Energy Networks (2010-2013) Part-time Professor 2002-04. 2013- Head of organization of Electrical and Information Engineering, 1996-99 2012-2013 Visiting Chair Professor under Distinguished Scholars Scheme, Polytechnic University of Hong Kong 2010-2012 Senior Principal Researcher, National ICT Australia, Canberra and ATP Laboratories 2010 Professor, College of Engineering and Computer Science, The Australian National University, Canberra, Australia and Principal Researcher, National ICT Australia Canberra Laboratory (January-October) 2010 Visiting Fellow, Institute of Advanced Studies, Technical University of Munich (August-September) 2009 Visiting Professor, Laboratoire des Signaux et Syst`emes, Supelec, France (February, May) 2007-2008 Member of College of Experts, MIC Panel (Mathematics, Information and Communication Sciences) for the Australian Research Council 2006-2010 Chief Investigator and Theme Leader in the Australian Research Council Centre of Excellence for Mathematics and Statistics of Complex Systems; Deputy Director 2007-2008 2005-2010 Australian Research Council Federation Fellow, Research organization of Information Sciences and Engineering, The Australian National University 2003-2005 Guest Professor, Department of Control Science and Engineering, Huazhong University of Science and Technology, China. 2001-2005 Eminent Visiting Professor, 2001; Chair Professor, 2001-2005; Head of Department, 2001-2004; Department of Electronic Engineering, City University of Hong Kong. 1991-1993 Pacific Power Chair, Department of Electrical and Computer Engineering, The University of Newcastle.