1977, degree in Chemistry, University of Sydney, 1981, PhD in Chemistry, University of Chicago; 1997, Doctorate in Science, University of Sydney. With University of Houston: 1998, Distinguished University Professor of Chemistry and Chair, Physical Chemistry Division; active in air quality modelling. Director, Science and Policy, Commonwealth Scientific and Industrial Research Organisation. 2006-12, Director, Scripps Institution of Oceanography, Vice-Chancellor for Marine Sciences, Dean, Graduate School of Marine Sciences and Professor of Oceanography, University of California, San Diego. Co-Founder, CleanTech San Diego, a 501c6 business organization.