• Distinguished Professor, Faculty of Science, Engineering and Technology, Swinburne University of Technology, Australia, October 2018 - November 2022
• Distinguished Professor, School of Mathematics and Computational Science, Xiangtan University, Hunan, China, September 2017 - December 2022
• Emeritus Professor, Queensland University of Technology (QUT), Australia, since April 2016
• Professor, School of Mathematical Sciences, QUT, August 2004 - July 2014
• Member, Research Evaluation Committee, Excellence in Research for Australia (ERA) 2012, Australian Research Council, 2012
• Director, Mathematical Sciences Cluster, QUT, 2009
• Co-Director, Program in Statistics and Operations Research, QUT, 2002-2008
• Associate Director, University Centre in Statistical Science & Industrial Mathematics, QUT, 1993-2002
• Director, Centre in Statistical Science, QUT, 1990-1992
• Lecturer, Senior Lecturer, Associate Professor, 1984-2004, QUT

Named a Highly Cited Researcher by Clarivate Analytics for six consecutive years 2015-2020. Received h-index of 67 and 17,825 citations (Google Scholar Citations, 19 June 2026)

• Distinguished Overseas Scholar, Hunan Province, hosted by Xiangtan University, China, 2014
• Julius Kühn Professor, Martin-Luther Universität Halle-Wittenberg, Germany, July 2009
• Invitation Fellow, Japan Society for the Promotion of Science, hosted by Hokkaido University, November 2002
• Guest Professor, Martin-Luther Universität Halle-Wittenberg, Germany, January 1998
• Invitation Fellow, Foundation of Academic Advancement and International Exchange, Japan, hosted by Muroran Institute of Technology, July 1997
• Fellow of the Australian Mathematical Society since 1996
• QUT Award for Outstanding Contribution in Research & Scholarship, 1996
• QUT Award for Distinguished Academic Service, 1990
• Inaugural Dean’s Award, Faculty of Science, QUT, 1988