| 2007-Present | |
Vice President for Technology, the Joint BioEnergy Institute |
| 2007-Present | |
Adjunct Professor, Department of Bioengineering, UC Berkeley, CA |
| 2005-Present | |
Senior Scientist, Lawrence Berkeley National Laboratory, Berkeley, CA |
| 2004-Present | |
Head, Berkeley Center for Structural Biology, Lawrence Berkeley National Laboratory, Berkeley, CA |
| 2003-2007 | |
Deputy Principal Investigator, Berkeley Structural Genomics Center, Lawrence Berkeley National Laboratory, Berkeley, CA |
| 2002-2003 | |
Department Deputy, Structural Computational and Theoretical Biology, Lawrence Berkeley National Laboratory, Berkeley, CA |
| 1999-2005 | |
Staff Scientist, Lawrence Berkeley National Laboratory, Berkeley, CA |
| 1998-1999 | |
Senior Associate, Howard Hughes Medical Institute, Bethesda, MD |
| 1998-1999 | |
Research Scientist, Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT |
| 1997-1998 | |
Associate Research Scientist, Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT |