| 1990-91 | Director of Graduate Studies, Chem. Eng. Dept., Princeton University |
| 1992-94 | Director of Graduate Studies, Chem. Eng. Dept., Princeton University |
| 1996-04 | Chair of Chemical Engineering Department, Princeton University |
| 2006-08 | Director of Graduate Studies, Chem. Eng. Dept., Princeton University |
| 2008 | Acting Chair, Chem. Eng. Dept., Princeton University |
| 2008- | Vice Dean, School of Engineering and Applied Science, Princeton University |
| 2012(F) | Acting Dean, School of Engineering and Applied Science, Princeton University |
| 1996 | Department of Chemical Engineering Graduate Program Academic Review, University of Cincinnati |
| 1997-2000 | NRC Panel for Chemical Science and Technology, Board of Assessment of NIST Programs |
| 1997-2005 | Department of Chemical Engineering, Massachusetts Institute of Technology, Visiting Committee |
| 1999-2005 | Department of Chemical & Biomolecular Engineering, Cornell University, Advisory Council |
| 2000 | Department of Chemical Engineering Academic Review, Vanderbilt University |
| 2001 | School of Chemical Engineering Academic Review, Georgia Institute of Technology |
| 2004- | Department of Chemical Engineering, City College of CUNY, Advisory Council |
| 2004-2006 | Council for Chemical Research, Governing Board |
| 2005- | Center for Talented Youth, John Hopkins University; Cogito Project; Advisory Board |
| 2006-2010 | Department of Chemical Engineering, Pennsylvania State University, Advisory Council |
| 2006- | Board on Chemical Sciences and Technology, The National Academies, co-Chair, 2011- |
| 2010- | Department of Chemical Engineering, Columbia University, Advisory Council
|
| 1994 | Alpha Chi Sigma Award subcommittee, American Institute of Chemical Engineers |
| 1996-2004 | Evaluator of Engineering Fellowship Applications, Guggenheim Foundation |
| 2001 | Colburn Award subcommitte, American Institute of Chemical Engineers |
| 2002-2005 | Chemical Engineering Peer Committee, National Academy of Engineering |
| 2001-2006 | Awards Committee, American Institute of Chemical Engineers |
| 2007-2008 | Blue Ribbon Awards Committee, American Institute of Chemical Engineers |
| 2010- | World Cultural Council, Albert Einstein Prize Committee |
| 2011- | Bernard M. Gordon Prize Committee, National Academy of Engineering |
| 2011- | Balavatnik Award for Young Scientists, New York Academy of Sciences |
| 1996-1998 | Chair, Area 1a, Thermodynamics and Transport Properties, American Institute of Chemical Engineers |
| 1998 | Organizing Committee, NATO Advanced Study Institute on Supercritical Fluids, Kemer, Turkey, July 12-24 |
| 2000 | Organizing Committee, 5th International Symposium on Supercritical Fluids (ISSF 2000), Atlanta, GA, April 9-11 |
| 2002 | Organizing Committee, 6th Liblice Conference on the Statistical Mechanics of Liquids, Czech Republic, June 9-14 |
| 2002 | Co-Chair, Gordon Research Conference on Water and Aqueous Solutions, August 4-9 |
| 2002 | U.S. Frontiers of Engineering, National Academy of Engineering, Organizing Committee, Irvine, CA, September 19-21 |
| 2003-05 | U.S. Frontiers of Engineering, National Academy of Engineering, Chair, Organizing Committee |
| 2003 | Co-Chair, CECAM Workshop on Metastability and Landscapes in Complex Systems, Lyon, France, May 22-24 |
| 2004 | Co-Chair, Symposium on “The Future of Chemical Engineering Research”, Austin, TX, November 8th |
| 2005 | Organizing Committee, Council for Chemical Research Workshop, Process Analytical Technology, Center for Advanced Research in Biotechnology, Rockville, MD, December 13 |
| 2007 | Co-organizer, Symposium on Packing Problems, Classical Ground States, and Glasses, Princeton Center for Theoretical Physics, April 12-13 |
| 2007 | Chair, Council for Chemical Research Workshop, Modeling Challenges in Process Development: Approaches in the Chemical and Pharmaceutical Industries, University of Maryland Biotechnology Institute, Rockville, MD, June 7-8 |
| 2010 | Organizing Committee, Faraday Discussion 146: Wetting Dynamics of Hydrophobic and Structured Surfaces, Jefferson Hotel, Richmond, VA, April 12-14 |
| 2011 | Co-organizer, Workshop on “Towards Unifying Concepts in the Physics of Aperiodic Systems”, Princeton Center for Theoretical Science, Princeton University, October 14-15 |
| 1986-87, 1987-88 | Churchill Fellowships Selection Committee |
| 1990-91 | Graduate School Fellowship Subcommittee |
| 1989-90, 1990-91 | Public Lectures Committee |
| 1993-94 | Graduate School Policy Subcommittee |
| 1993-94 | President's Strategic Planning Committee (Graduate School) |
| 1992-93 | Student Life and Discipline Subcommittee |
| 1990-91, 1992-93, 1993-94 | Faculty Committee on the Graduate School |
| 1993-94, 1994-95 | Priorities Committee |
| 1995-96 | School of Engineering Wu Fellowship Committee |
| 1997-98 | Intellectual Property Committee |
| 1998-99 | Faculty Advisory Committee on Appointments and Advancements |
| 2003-04 | School of Engineering and Applied Science, Space Committee |
| 2005-07 | School of Engineering and Applied Science, Diversity Task Force |
| 2006-08 | Graduate School Policy Subcommittee |
| 2006-2009 | Committee on Undergraduate Admission and Financial Aid |
| 2008- | Princeton Sustainability Committee |
| 2008- | Executive Committee, Princeton Institute for Computational Science and Engineering (PICSciE) |
| 2009- | University Research Board |
| 2008- | Faculty Executive Committee, Andlinger Center for Energy and the Environment |
| 2012- | Executive Committee, Council on International Teaching and Research |
| 1978 | European Economic Community Fellow |
| 1987 | NSF Presidential Young Investigator Award |
| 1989 | Camille and Henry Dreyfus Teacher-Scholar Award |
| 1991 | John Simon Guggenheim Memorial Foundation Fellowship |
| 1992 | Robert W. Vaughan Memorial Lecture, Chem. Eng. Dept., California Institute of Technology |
| 1996 | Best New Professional/Scholarly Book in Chemistry: Metastable Liquids. Concepts and Principles, Association of American Publishers |
| 1997 | Professional Progress Award, American Institute of Chemical Engineers |
| 1997 | Stanley Katz Memorial Lecture, Ch.Eng. Dept., City College of the City University of New York |
| 1997 | Kurt Wohl Memorial Lecture, Chemical Engineering Department, University of Delaware |
| 1998 | Ashton Cary Lecture, School of Chemical Engineering, Georgia Institute of Technology |
| 2000 | National Academy of Engineering |
| 2001 | J.M. Prausnitz Award in Applied Chemical Thermodynamics |
| 2003 | 2003 Dean’s Distinguished Colloquia Series, College of Engineering and Applied Sciences, State University of New York, Stony Brook |
| 2003 | Rutgers Collaboratus XIII Distinguished Lecture, Department of Chemical and Biochemical Engineering, Rutgers University |
| 2003 | Berkeley Lectures in Chemical Engineering, Department of Chemical Engineering, University of California, Berkeley |
| 2003 | Area 1a Keynote Lecture, American Institute of Chemical Engineers |
| 2004 | Excellence in Teaching Award, Engineering Council, Princeton University |
| 2005 | Walker Lecture in Physical Chemistry, Departments of Chemistry and Chemical Engineering, Pennsylvania State University |
| 2005 | Donald L. Katz Lectureship, Department of Chemical Engineering, University of Michigan |
| 2005 | Excellence in Teaching Award, Engineering Council, Princeton University |
| 2006 | Patten Distinguished Lecturer, Department of Chemical and Biological Engineering, University of Colorado, Boulder |
| 2006 | Excellence in Teaching Award, Engineering Council, Princeton University |
| 2007 | Reilly Lectureship, Department of Chemical and Biomolecular Engineering, University of Notre Dame |
| 2007 | Michael M. Abbott Lecture, Isermann Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute |
| 2007 | Joe Smith Distinguished Lecture, Department of Chemical Engineering and Materials Science, University of California, Davis |
| 2007 | Excellence in Teaching Award, Engineering Council, Princeton University |
| 2008 | Joel Henry Hildebrand Award in the Theoretical and Experimental Chemistry of Liquids, American Chemical Society |
| 2008 | Kelly Lecturer, School of Chemical Engineering, Purdue University |
| 2008 | Hunter Henry, Jr. Lecture, School of Chemical Engineering, Mississippi State University |
| 2008 | American Academy of Arts and Sciences |
| 2008 | Distinguished Teacher Award, School of Engineering and Applied Science, Princeton University |
| 2008 | President's Award for Distinguished Teaching, Princeton University |
| 2008 | William H. Walker Award, American Institute of Chemical Engineers |
| 2011 | Eli Ruckenstein Lecture, Department of Chemical and Biological Engineering, University at Buffalo, State University of New York |
| 2011 | Fellow, American Association for the Advancement of Science |
| 2012 | National Academy of Sciences |
| 2012 | William G. Lowrie Lectures, Department of Chemical and Biomolecular Engineering, Ohio State University |
| 2012 | Fredrickson Lectures, Department of Chemical Engineering and Materials Science, University of Minnesota |
