
  Invited Talks at Conferences/Workshops
  Invited Speaker, IWAAG 2007, The International Workshop on Algorithms and Graphs, Star-shaped Drawings of Graphs with Minimum Concave Corners, Japan, 2007, Dec.
  Invited Speaker, AWOCA 2006, Theory and Practice of Graph Drawing, 2006 July.
  Invited Speaker, ACAL 2005, Visualisation and Analysis of Large and Complex Networks, 2005 December.
  Workshop on Large-scale Network Analysis, Visualisation and Analysis of Large and Complex Networks, 2005 November.
  Dagstuhl Seminar on Algorithmic Aspects of Large and Complex Networks, Visualisation and Analysis of Large and Complex Scale-free Networks, September, 2005.
  Dagstuhl Seminar on Graph Drawing, Visualisation and Analysis of Large and Complex Networks, May, 2005.
  Spring Day: Workshop on Graph Drawing and Information Visualisation, Survey on Symmetric Graph Drawing, June, 2002.
  Symmetry Workshop, Drawing Trees Symmetrically in Three Dimensions, July, 2000.
  Invited Seminars at Universities and Research Institutes
  JAIST, Japan, Visualisation and Analysis of Large and Complex Networks, 2007, Nov.
  JAIST, Japan, Theory and Practice of 2.5D Graph Drawing, 2007, Nov.
  Kyoto University, Japan, Theory and Practice of 2.5D Graph Drawing, 2007, March.
  Kyoto University, Japan, Visualisation and Analysis of Large and Complex Networks, 2007, March.
  Tohoku University, Japan, Theory and Practice of Graph Drawing: Visualisation and Analysis of Large and Complex Networks, 2007, Jan.
  KAIST, Korea, Theory and Practice of Graph Drawing: Visualisation and Analysis of Large and Complex Networks, 2007, Jan.
  Seoul National University, Korea, Theory and Practice of Graph Drawing: Visualisation and Analysis of Large and Complex Networks, 2007, Jan.
  IPK, Germany, Visualisation and Analysis of Large and Complex Networks, 2006 September.
  University of Queensland, IMB, Visualisation and Analysis of Large and Complex Networks, 2006 June.
  Charles Darwin University, Theory and Practice of Graph Drawing, 2006 June.
  CORE Chrice Wallace Seminar, University of Sydney, Theory and Practice of Graph Drawing, 2006 April.
  DSTO, Visualisation and Analysis of Large and Complex Networks, 2006 February.
  University of Sydney, Basser Seminar Series, June, 2005, Visualisation and Analysis of Large and Complex Networks
  Kyoto University, Japan, Symmetric Graph Drawing: an overview, March 2005.
  University of NSW, Visualisation and Analysis of Large and Complex Networks, November 2004.
  University of Karlsruhe, Germany, The Metro Map Layout Problem, May 2004.
  University of Konstanz, Germany, Symmetric Graph Drawing in Three Dimensions, May 2004.
  University of Lethbridge, Canada, Symmetric Graph Drawing: a survey, February 2004.
  University of Victoria, Canada, Symmetric Graph Drawing: a survey, January, 2004.
  JAIST, Japan, Symmetric Graph Drawing in Two Dimensions, February, 2003.
  JAIST, Japan, Symmetric Graph Drawing: a survey, January, 2003.
  KAIST, Korea, Symmetric Graph Drawing, January, 2003.
  Seoul National University, Korea, Graph Drawing and Information Visualisation, January, 2003.
  Brown University, USA, Department of Computer Science Seminar, Drawing Planar Graphs Symmetrically, March 19, 2001.
  National Taiwan University, Taiwan, Department of Electrical Engineering Seminar, Drawing Planar Graphs Symmetrically, December 21, 2000.
  University of Queensland, School of Computer Science and Electrical Engineering Seminar, Algorithms for Finding Planar Geometric Automorphisms in Planar Graphs, April 7, 2000.
  Australian National University, Department of Computer Science Seminar, Algorithms for Finding Planar Geometric Automorphisms in Planar Graphs, March 29, 2000.
  University of Western Australia, Department of Mathematics, Pure Mathematics Seminar, Algorithms for Finding Planar Geometric Automorphisms in Planar Graphs, March 22, 2000.
  University of Cologne, Germany, Drawing Series Parallel Digraphs Symmetrically, February 1999.
  Max-Planck-Institut fur Informatik, Saarbrucken, Germany, 1999. Drawing Series Parallel Digraphs Symmetrically, February 1999.
  Invited Seminars Outside my Discipline
  JAIST, Japan, Visualisation and Analysis of Large and Complex Networks, 2007, Nov.
  JAIST, Japan, Theory and Practice of 2.5D Graph Drawing, 2007, Nov.
  CYRAM, Korea, Visualisation and Analysis of Large and Complex Networks, 2007, Jan.
  IPK, Germany, Visualisation and Analysis of Large and Complex Networks, 2006 September.
  University of Queensland, IMB, Visualisation and Analysis of Large and Complex Networks, 2006 June.
  DSTO, Visualisation and Analysis of Large and Complex Networks, 2006 February.
  Telstra Research Lab, Melbourne, Visualisation and Analysis of Large and Complex Networks, December 2004.
  University of NSW, Visualisation and Analysis of Large and Complex Networks, November 2004.
  Netmap Analytics, Sydney, Visualisation and Analysis of Large and Complex Networks, October 2004.
  JAIST, Japan, Symmetric Graph Drawing in Two Dimensions, February, 2003.
  JAIST, Japan, Symmetric Graph Drawing: a survey, January, 2003.
  Invited Seminars in Industry/Company
  CYRAM, Korea, Visualisation and Analysis of Large and Complex Networks, 2007, Jan.
  Telstra Research Lab, Melbourne, Visualisation and Analysis of Large and Complex Networks, December 2004.
  Netmap Analytics, Sydney, Visualisation and Analysis of Large and Complex Networks, October 2004.