2023 to present | Associate Laboratory Director (Applied Materials & Sustainability Sciences)

2022 to present | Executive Vice Chancellor and Provost Emerita and Distinguished Professor of Chemical and Biomolecular Engineering Emerita, University of California, Los Angeles

2022 to present | Gerhard R. Andlinger Professor in Energy and the Environment; Professor of Mechanical and Aerospace Engineering, the Andlinger Center for Energy and the Environment, and Applied and Computational Mathematics; Associated Faculty of the Princeton Institute for Computational Science & Engineering and the High Meadows Environmental Institute, Princeton University

2022 to present | Senior Strategic Advisor (Sustainability Science)

2022 to present | Senior Strategic Advisor for Sustainability Science

2019 to 2021 | Distinguished Professor (Chemical and Biomolecular Engineering)

2019 to 2021 | Executive Vice Chancellor and Provost

2019 to 2021 | Gerhard R. Andlinger Professor in Energy and the Environment, Emeritus, Professor of Mechanical and Aerospace Engineering and Applied and Computational Mathematics, Emeritus, and Senior Scholar in Mechanical and Aerospace Engineering, Princeton University

2016 to 2019 | Dean (Engineering and Applied Science)

2011 to 2019 | Gerhard R. Andlinger Professor in Energy and the Environment, Professor of Mechanical and Aerospace Engineering and Applied and Computational Mathematics, Associated Faculty in Chemistry, Chemical and Biological Engineering, the Princeton Institute for Computational Science and Engineering (PICSciE), the Princeton Institute for the Science and Technology of Materials (PRISM), the Princeton Environmental Institute (PEI), and the Andlinger Center for Energy and the Environment (ACEE), Princeton University

2010 to 2016 | Founding Director (Andlinger Center for Energy and the Environment, Princeton University,)

2009 to 2014 | Co-Director (Combustion Energy Frontier Research Center)

2006 to 2011 | Arthur W. Marks '19 Professor of Mechanical and Aerospace Engineering and Applied and Computational Mathematics, Associated Faculty in PICSciE, Chemistry, Chemical Engineering, and PRISM, Princeton University

2004 to 2006 | Professor of Mechanical and Aerospace Engineering and Applied and Computational Mathematics, Associated Faculty in PICSciE, Chemistry, Chemical Engineering, and PRISM, Princeton University

2002 to 2004 | Professor (Materials Science and Engineering)

2000-12 to 2004 | UCLA Director of Modeling and Simulation (California NanoSystems Institute)

1994 to 2002 | Professor (Chemistry)

2001-09 to 2001-12 | Visiting Associate Professor in Aeronautics (Division of Engineering and Applied Science)

1999-09 to 1999-12 | Visiting Scholar (Physics)

1996-01 to 1996-06 | Dr. Lee Visiting Research Fellow in the Sciences

1992 to 1994 | Associate Professor (Chemistry)

1988 to 1992 | Assistant Professor (Chemistry)

1987 to 1988 | Postdoctoral Research Associate (Chemistry)

1987 to 1988 | Postdoctoral Fellow (Chemistry)

1982 to 1987 | PHD (Chemistry)

1978 to 1982 | BS (Chemistry)