Distinguished Professor, Departments of Chemistry & Biochemistry, Nanoengineering and Scripps Institution of Oceanography
Distinguished Chair of Physical Chemistry
Co-Director, Center for Aerosol Impacts on Climate and the Environment
Executive Associate Dean, Division of Physical Sciences
Research Topics
Surface science of complex environmental interfaces: heterogeneous atmospheric chemistry of sea spray and mineral dust; aerosol impacts on climate; applications and implications of nanoscience and nanotechnology.