From 1987 to 1990 he worked as a professor at
Rice University. From 1990 to 1999 he worked at
University of Houston and became a full
tenured professor. In 2000, he became a chair professor at the
City University of Hong Kong, founding the Centre for Chaos and Complex Networks. He conducts research on
chaos,
control theory,
bifurcations,
nonlinear dynamics,
complex systems, etc.
IEEE From 1999 to 2001, he served as the chairman for the
IEEE Nonlinear Circuits and Systems Technical Committee. Since 2008, he has served as Editor in Chief of
IEEE Circuits and Systems Magazine. Since 2010, he has served as Editor in Chief of
International Journal of Bifurcation and Chaos. Before, from 1991 to 2009, he was editor for the International Journal of Bifurcation and Chaos. From 2004 to 2007, he was Deputy Editor-in-Chief for the IEEE Transactions on Circuits and Systems. From 2004 to 2005, he was an editor for the IEEE Transactions on Automatic Control.
Journals and conferences From 2008 to 2009, he was Deputy Editor-in-Chief and associate editor for the
International Journal of Circuit Theory and Applications. From 2006 to 2008, he was editor for the
Journal of Control Science and Engineering. Since 1995, he has been editor for the
Chinese Academy of Sciences Journal on Control Theory and Applications. From 2001 to 2014, he was editor for the Journal of Systems Science and Complexity. From 2009 to 2014, he served as the chairman for the Chinese Society's Complex Systems and Networks Committee. == Research ==