Appointed to National Academies Committee On Examination of the Disposal of Activated Carbon from the Heating, Ventilation and Air Condition Systems at Chemical Agent Disposal Facilities (May 2008- May 2009).
On the Editorial Board of Adsorption Science and Technology (2005-present)
On the Editorial Board of Journal of Colloid and Interface Science (2008-2010)
On The Advisory Board of American Carbon Society (2010- present).
On Scientific Committee of Pacific Basin Conference on Adsorption Science and Technology II, Australia, May 2000.
On the Scientific Committee of IV International Symposium on Surface Heterogeneity in Adsorption and Catalysis, August 2006
On the Scientific Committee of 2nd Carbon for Environmental Protection Conference, October 2009.
On the Advisory Board of 1st United Arab Emirates Conference on Pure and Applied Chemistry (ECPAC11)-American University of Sharjah, February 2011.
On the Scientific Committee of Colloids and Materials, Amsterdam 2011.
On the Advisory Committee of International Carbon Conference, Krakow, Poland 2012
Session Organizer /Chair at Annual ACS Meetings in Philadelphia (2004) and San Diego (2005).
Editor “Activated Carbon Surfaces in Environmental Remediation”, Elsevier, 2006.
Visiting Professor, Department of Chemical Engineering, The University of Queensland, Australia; Fall 2006
Guest Professor/ Sky Scholar, Dalian University of Technology, China 2006-2009.
Visiting Professor, University of Orleans, France, Fall 2009.
Plenary Lecturer at Brazilian Institute of Chemical Engineers Meeting, Iguassu Falls, Brazil, September 2010.
Plenary Lecturer of Carbon in Catalysis, CarboCat4, Conference, Dalian, China, November 2010.
Invited speaker to 1st International Symposium on Chemistry of Energy Conversion and Storage (Germany; February 2001).
Invited Keynote speaker to Carbon for Energy storage and Environment Protection IV (France, September 20011)
Discussion leader at Hydrocarbon Resources Gordon Conference (January 2009)
Excellence in Review Award; Environmental Science and Technology, 2005
Excellence in Review Award; Carbon, 2008