- Chair, session at International Conference on Wireless Technologies for Humanitarian Relief (ACWR2011), Amrita University, Amritapuri, India, December 21, 2011
- Member, Board of Advisors Meeting of the Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, LA, November 18, 2011
- Member, Advisory Committee, XII International Conference on Mineral Processing Technology, MPT-2011, Udaipur, India, October 20-22, 2011.
- Member, Hoover Medal Board of Awards, New York, October 6, 2011
- Member, Board of Advisors Meeting of the Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, LA, April 7, 2011.
- Member, Canadian Center of Academic Arts and Science as of March 25, 2011.
- Member, Engineering Conference International, Board of Directors Annual Meeting, January 18, 2011
- Member, Board of Advisors of the Tulane University Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans LA, October 15, 2010.
- Member, International Advisory Committee, Program for Excellence for Nanotechnology, Translational Nanomedical Therapies for Cardiac & Vascular Diseases, Mount Sinai School of Medicine, New York.
- Member, International Advisory Committee, International Seminar on Mineral Processing Technology (MPT-2010) at Jamshedpur, India, December 15-17, 2010.
- Member, Advisory Body of MET’s Engineering College, Mala, India, December 21, 2010.
- Appointed Honorary Adjunct Professor at Amrita University, Coimbatore, India
- Member, Audit/Finance Committee, Engineering Conferences International, New York.
- Member, Scientific Advisory Board of Modular Genetics, Cambridge.
- Member, Internal Advisory Committee of NHLBI Programs of Excellence in Nanotechnology (Title of Program: Translational Nanomedical Therapies for Cardiac & Vascular Diseases), a joint program between Mount Sinai School of Medicine and Massachusetts Institute of Technology.
- Member, Executive Committee, MPD Division at the SME Mid Year Meeting, Nashville, TN, September 26, 2009.
- Member, Board of Advisors, Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, LA
- Member, Scientific Advisory Board of Modular Genetics, Cambridge, August 2009.
- Member, Colloid and Surface Science Symposium Committee Business Meeting, University of Delaware, Newark, DE, June 26, 2007.
- Member, Hoover Board of Award Meeting, New York N.Y., May 3, 2007
- Member, International Advisory Committee, Conference on Metals and Alloys: Past, Present and Future (to honor Prof. Anantharaman on his 80th birthday), New Delhi, India, November 25 – 27, 2007.
- Member, International Advisory Committee for International Symposium on Recent Trends in Surface & Colloid Science, Kolkata, India, November 15-16, 2007.
- Member, International Advisory Committee for the International Seminar on Mineral Processing Technology (MPT 2007), Mumbai, India
- Member, Advisory Board, 17th Surfactants in Solutions Conference, Berlin, Germany, August 18-22, 2008.
- Member, International Advisory Committee, Conference on Metals and Alloys: Past, Present and Future (to honor Prof. Anantharaman on his 80th birthday), New Delhi, India, November 25 – 27, 2007.
- Member, International Advisory Committee for International Symposium on Recent Trends in Surface & Colloid Science, Kolkata, India, November 15-16, 2007.
- Member, Advisory Board, 17th Surfactants in Solutions Conference, Berlin, Germany, August 18-22, 2008.
- Member, Hoover Board of Award.
- Member, IMPC Council Meeting, Kunming, China, September 2 – 8 2007.
- Member, Board of Directors, Engineering Conferences International
- Affiliate Member of the Conference Committee of the Engineering Conferences Foundation.
- Member, Engineering Conferences International Finance/Budget Committee.
- Member, Selection Committee of “The Maison G. de Navarre Medal Award” of the Society of Cosmetic Chemists, March 31, 2006.
- Member, Scientific Committee, 3rd International Conference on Population Balance Modeling, Quebec City, Canada, September 19-21, 2007.
- Member, International IMPC Council for the 13th International Mineral Processing Congress, Istanbul, Turkey, September 3-8, 2006.
- Member, IMPC International Advisory Board for the 13th International Mineral Processing Congress, Istanbul, Turkey, September 3-8, 2006.
- Host to Dr. Noel Hechanova, Department Head of City Environment and Natural Resources Office, Iloilo City, The Philippines, in connection with Exchange visit from ASEAN City Partners. The guest was shown the Essex County WTE in New Jersey on June 28, 2006.
- Member, MPD Executive Committee of SME.
- Member, International Advisory Committee, SIS, Korea.
- Member, Hoover Medal Board of Awards, New York, October 20, 2005.
- Member, Engineering Conferences Committee Meeting, New York, NY, November 17, 2005.
- Adviser, Alumni Association, South China University of Technology (SCUT), New York.
- Member, College of Reviewers for the Canada Research Chairs Program.
- Member, Scientific Committee for the 3rd International Conference on Population Balance Modeling of particulate Systems, to be held in Quebec City, Quebec, Canada, in September 2007.
- Member, Advisory Board and evaluator for the journal Anais da Academia Brasileira de Ciencias, Rio de Janeiro, Brazil.
- Member, Board of Directors, Engineering Conferences International, Board of Directors Meeting, New York, NY July 21, 2005.
- Member, Advisory Committee, International Symposium on the Role of Adsorbed Films and Particulate Systems in Nano and Biotechnologies, University of Florida, Gainesville, August 24-26, 2005.
- Member, Hoover Board of Award Meeting, New York N.Y., May 3, 2007
- Member, Hoover Medal Board of Awards, New York, April 14, 2005.
- Member, Editorial Board Meeting – International Journal of Mineral Processing, Salt Palace Convention Center, Salt Lake City, February 28, 2005.
- Member, Advisory Committee, International Conference on Mineral Processing (MPT – 2005), Dhanbad, India, January 6-8, 2005.
- Committee member, Engineering Conferences Foundation, to elect the ECF Director, January 12, 2005.
- Member, Board of Directors, Asian Columbian Alumni Association, New York, NY, March 2, 2005.
- Member, Steering Committee, International Mineral Processing Congress.
- Member, Committee on Scientific Affairs (COSA), Society of Cosmetic Chemists
- Member, Chemical and Biomolecular Engineering Board of Advisors, Tulane University, New Orleans, LA
- Member, SEAS Bioengineering Curriculum Committee
- Member, Henry Krumb Chair Search Committee
- Member, Engineering Conferences Foundation Board of Directors
- Member, Examining Committee on the dissertation of Qing Song, titled, “Surfactant Transport from a Micellar Solution to a Clean Air/Water Interface: A Theoretical and Experimental Study,” The City College, New York, July 28, 2004
- Member: International Advisory Board, International Mineral Processing Congress, Cape Town, South Africa.
- Engineering Conference International: Board, Treasurer, Executive Committee.
- Member: Committee on Scientific Affairs, Society of Cosmetic Chemists, Washington, DC
- Advisory Board, Tulane University, Department of Chemical Engineering, American Chemical Society, Colloid Division Symposium Committee, New Orleans, April 9-10, 2003.
- Panelist, National Science Foundation Research Equipment Panel Meeting, Arlington, VA, April 14, 2003.
- Panelist, National Science Foundation, DMI – Small Business Phase I Meeting, Arlington, VA, March 13, 2003.
- Committee member, Society of Cosmetic Chemists Annual Scientific Meeting and Technology Showcase, New York, December 5, 2002
- Committee Member, Engineering Conferences Foundation, New York, NY, December 10, 2002
- Member of Editorial Committee of Engineering Science in China, published by the Chinese Academy of Engineering.
- Member, International Advisory Committee for the Conference on “The Iron Ore Industry: Today and Tomorrow”, Kiruna, Sweden, June 11 – 13, 2002
- Member, Hoover Medal Board of Awards, New York
- Advisory Board, Surfactant Science Series, Marcel & Dekker.
- Member, Organizing Committee, Engineering Foundation Conference on Froth Flotation/Dissolved Air Flotation: Bridging the Gap, May 2001.
- Nominating Committee, Engineering Foundation, 1996-1999.
- Board Member, Engineering Foundation Committee, 1993-1999
- Jury Member, Science for Art Prize, LVMH., 1989-1999
- Congressional Environmental Advisory Committee (20th District), 1996-1999.
- Engineering Foundation Projects Committee, 1995-present.
- Organizing Committee, National Science Foundation, U.S. Egyptian Conference on Renewable Resources.
- NSF Panel on Major Research Instrumentation, May 1999.
- Participant, Army Nanocomposite Workshop, April 1999.
- Participant, NSF site visit, University of Florida, February 1999.
- Participant, NSF Annual I/U CRC Meeting, Washington D.C., January 1999.
- Participant, NAE Regional Meeting, Murray Hill, April 1999.
- National Science Foundation Panel on Technology for a Sustainable Environment 1999.
- Organizer 3rd International Conference on bas Hydrates, Chicago, 1999.
- WANG Seminar, Changsha, 1999.
- International Scientific Advisory Committee, Surfactants in Solutions, Stockholm, 1998.
- Member, Columbia Asia Alumni Association Board, 1999.
- Member, Columbia Earth Institute Committee, 1999.
- Member, Columbia Earth Institute Academic Committee, 1999.
- Director, Langmuir Center for Colloids and Interfaces, 1999.
- Member, SEAS Applied Chemistry Committee, 1999.
- Member, HKSM Chair Search Committee, 1999.
- Member, Engineering Foundation Projects Committee 1995- present.
- Member, United Engineering Foundation Board/Council, 1999.
- Member, US Congressional Environmental Advisory Committee (20th District), 1996-1999.
- Engineering Foundation Board, EF Projects Committee, EF Aplan Award Committee, 1989-1999.
- Jury, LVMH Science for Art Prize, 1989-1999.
- NAE Membership Policy Committee, 1996-1999.
- XI SISS International Advisory Committee, 1996-1999..
- NSF ERC for Particle Technology, 1996-1999.
- Participant: NAE Frontiers of Engineering Conference; Bioadhesion Symposium, 1996-1999.
- National Academy of Engineering Membership Task Group, 1998.
- Advisory Board, J. Colloids and Interface Science, Surfactant Science Series, 1998.
- Co-PI NSF/ERC for Particle Technology, 1998.
- Alternate Member, Hoover Medal Board, 1998-present.
- Panelist, Columbia Earth Institute Planning Workshop on Living with Finite Natural Resources, May, 1998.
- Member, National Science Foundation Panels on University State Cooperative Research Center, 1992-1994.
- NSF Career Awards Panel, 1997.
- Council for Chemical Research, 1996- 1997.
- Participant, NSF/IAB Meeting on Particle Science and Technology, Gainesville, Florida, August, 1998.
- Member, New York State Center for advanced Technology, March, 1998.
- Member, 28th Annual Meeting of the Fine Particle Society, Program Committee, 1998.
- National Academy of Engineering Membership Policy Committee, 1994-1998.
- SME Gaudin Award Committee, 1993-1997.
- Life-Member, Engineering Foundation, Aplan Award Committee
- 9th International Conference on Surface and Colloid Science, International Advisory Committee, Sofia, Bulgaria, 1996-1997.
- Participant, Council for Chemical Research, 1996-1997.
- Advisory Committee, Department of Chemical Engineering, Tulane University, 1994-1999.
- NSF Engineering Research Center for Particle Technology, University fo Florida, Gainesville.
- NIST Ceramic Processing Characterization Consortium.
- XX International Mineral Processing Congress September, Aachen, Germany, 1997.
- Session, 9th International Conference on Surface and Colloid Science, July, 1997.
- Session for Preparation, NSF, U.S.-Egypt Workshop for Preparation and Applications of Ultrafine Particles, Cairo, Egypt, November, 1997.
- U.S. Representative, IMPC Steering Committee, 1997.
- Master of Ceremonies, Golden Jubilee Celebrations Alumni Dinner, Bangalore, India, July, 1997.
- National Academy of Engineering Membership Task Group Meeting, 1997-1999.
- International Mineral Processing Steering Committee, University of Florida, 1997-present.
- Chemical Engineering Advisory Committee, 1994-1999.
- Soc. of Mining Engineers, Gaudin Award Committee, 1993-1999.
- Editor-in-Chief, Colloids and Surfaces, 1990-1991.
- Member, Organizing Committee, Symposium on Challenges in Mineral Processing, Honoring Duglas W. Fuerstenau on his 60th Birthday, Berkeley, California, 1988.
- Member, Advisory Committee, 7th International Symposium on Surfactants in Solution, Ottawa, Canada, 1988.
- Keynote lecture, Seminar on Environmental Aspects of Geology, Trivandrum, 1984.
- Associate Editor, “Minerals and Metallurgical Processing,” 1983-Present
- Advisory Council, University of Utah, Comminution Center, 1983.
- Editor-in-Chief, “Colloids and Surfaces A”, International Journal, Elsevier, 1979 – 2001
- Principal Reviewer, SME Transaction, 1979-1989.
- Secretary-Treasurer, Mineral Processing Division, Society of Mining Engineers/AIME, 1978
- Associate Editor, “International Journal of Mineral Processing,” 1976-Present
- Associate Editor, “Journal of the Electrochemical Society of India,” 1977-1983
- Member, National Science Foundation Panel on Career Awards, January, 1996.
- Participant, National Academy of Engineering “Frontiers of Engineering” conference, EF participant, 1996.
- Participant, Bioadhesion Symposium, February, 1996.
- Member, National Science Foundation Panels on University State Cooperative Research Center, 1995.
- Member, National Science Foundation Panel on Small Business Innovative Research Program, 1995.
- Member, National Academy of Engineering Membership Committee, 1990-1994.
- Member, 10th Surfactants in Solution Symposium, Caracas, Venezuela, June, 1994.
- Member, National Science Foundation engineering research center site visit panel, 1994.
- Member, National Academy of Engineering, “Frontiers of Engineering” Conference Committee, 1994.
- Member, Council for Chemical Research, 1994.
- Member, University of California School of Engineering and Applied Science Advisory Committee for Mineral Engineering and Materials Science, 1991-1993.
- Member, National Science Foundation Panel on Small Business Innovative Research Program, 1992-1993.
- University Day, Hoechst-Celanese Company, Summit, New Jersey, 1990.
- Advisory Council, U.S. Bureau of Mines, Comminution Generic Center, 1984-present
- National Academy of Engineering Membership Policy Committee, 1994-1998.
- Member, International Advisory Committee, 8th International Symposium on Surfactants in Solution, Florida, 1990.
- Member, NSF Site Panel, Engineering Research Center, University of Minnesota, 1990.
- Member, External Review Panel, Mineral Engineering Department, University of California at Berkeley, 1989.
- Panel Member, Du Pont Workshop, 1989.
- Member, National Academy of Engineering Nominating Committee, 1989.
- Member, National Science Foundation Engineering Research Center Site-visit Panel, 1988-1989.
- Member, National Academy of Engineering Peer Committee, 1988.
- Member, Department of Energy University Coal Research, Peer Review Committee, 1988.
- Member, Innotech Scientific Panel on Surface Modification of Minerals, 1988.
- Member, Organizing Committee, Symposium on Innovations in Materials Processing using Aqueous, Surface and Colloid Chemistry, TMS/SME, 1988.
- Member, Society of Mining Engineering National Science Foundation Committee on Mineral Research, 1988.
- Member, Organizing Committee, Engineering Foundation Second International Conference on Separation Technology, Schloss Elmau, West Germany, 1987.
- Panel Member, Department of Energy Workshop on Surface Properties of Coal and Coal Minerals, Pittsburgh, 1987.
- Participant, ARO Workshop on Approaches to Modeling of Friction and Wear, Columbia University, 1986.
- Member, International Advisory Committee, International Symposium on Surfactants in Solution, 1986.
- Member, Organizing Committee, International Symposium on Flocculation in Beneficiation and Separation Systems, Fine Particle Society, 1986.
- Member, Steering Committee, 2nd International Symposium on Benefication and Agglomeration, Bhubaneswar, 1986.
- Member, U.S. Dept. of Interior USBM Comminution Research Advisory Council, 1986-1989..
- Gaudin Award Committee, Society of Mining Engineers, 1984-1985.
- Member, Presidential Investigator Panel, National Science Foundation 1985.
- Nominating Committee, Mineral Processing Division, Soc. of Mining Engineers/AIME, 1984
- General Committee, Mineral Processing Division, Soc. of Mining Engineers/AIME, 1984
- Educational Issues Committee, Soc. of Mining Engineers/AIME, 1984-1989.
- Executive Committee of the board of directors, SME of AIME, 1984.
- Engineering Foundation Conference Committee, 1982-1989.
- National Science Foundation Advisory Committee on Chemical and Process Engineering Division, 1981-1982
- Member, Reagan-Gandhi STI Indo-U.S. Cooperation Research Panel, 1985.
- Board of Directors, Society of Mining Engineers, 1982-1985
- Peer Review Panel, Surface Mining Control and Reclamation Act, U.S. Department of the Interior.
- Nominating Committee, Society of Mining Engineers, 1980-1985
- American Chemical Society, Division of Colloid and Surface Chemistry Ad-Hoc Committee on New Journal in Colloid and Surface Chemistry, 1979
- New York Academy of Sciences, 1982-present
- Applied Chemistry Committee, Columbia University.
- Mining Engineering Committee, Society of Mining Engineers, 1979, 1980
- National Academy of Sciences’ Committee on Accessory Elements – Phosphates, 1976-78
- General Committee, Mineral Processing Division, Society of Mining Engineers, 1978, 1979, 1980, 1983
- National Science Foundation Research Initiation Proposal Review Panel-Chemical and Process Engineering, 1982
- U.S. Delegation to Workshop on Mineral Processing and Metallurgy, Udaipur, December 1981
- Society of Mining Engineers Workshop Party #68, 1982-83
- Society of Mining Engineers Education Planning Committee, 1982-1985
- Society of Mining Engineers Mineral Processing Division Nomination Committee, 1980
- Book Publishing Committee, Society of Mining Engineers, 1982-1989.
- U.S. Delegation to International Symposium on Fine Particulate Science and Technology, Madras, December 1982
- Program Co-ordination Committee, Society of Mining Engineers, 1981-82
- Executive Committee, Mineral Processing Division, Society of Mining Engineers, 1978
- Oversight Committee for the University of Florida’s National Science Foundation Project at the Center for Research in Mining and Mineral Resources, 1977
- Member, Committee of Instructions, School of Engineering and Applied Sciences, 1974-1975.
- Interfacial Phenomena Committee (Area 1C), AICHE, 1975-present
- Member, Interfacial Committee of American Institute of Chemical Engineers, 1975.
- Publications Committee of Trans. AIME, 1973, 1975, 1976, 1977
- Review Committee for Transactions of AIME, 1969-1971
- American Institute of Chemical Engineers, 1974-present
- American Institute of Mining Metallurgical and Petroleum Engineers
- Indian Electrochemical Society
- Indian Institute of Metals
- Sigma Xi
- Board of Directors of Volunteers in Service to Education in India, 1974-present
- President: Keralasamajam of Greater New York, 1974-1975
- Aided UNESCO Program in developing Applied Chemistry program at Universidade Estadul De Campinas, Brazil, May 1982
