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National Committees
- Board Member, Int. Association for Computer Methods, and Advances in Geomechanics, 2019-
- National Council Member and Marshall (elected in 2022), Chi Epsilon, 2014-
- Advisory Board Member, European Cooperation of Science and Technology (COST) for GPR Research, 2012 – 2016.
- Appointed Member, Nation Research Council, Transportation Research Board's standing committee on
- AFS80: Stabilization of Geomaterials and Recycled Materials, 2016-20
- AFP50: Seasonal Climatic Effects on Trans. Infrastructure, 2013-20
- AFS90: Chemical and Mechanical Stabilization, 2010-16
- DAWG: Data Analysis Working Group (steering committee), 2012-16
- TRB Representative at Idaho State University, 2004-06
- AFS50 (1): Applications of Nontraditional Computing Tools including Neural Nets, 2007-
- AF000 (2): Pavement Materials and the Urban Climate, 2011-
- Member, American Society for Testing and Materials
- D04.22 on Effect of Water and Other Elements on Bituminous Coated Aggregates, 2006-
- E56.02 on Physical and Chemical Characterization, 2014-
- G04.01 on Test Methods, 2014-
- Technical Research Advisory Panel Member, Texas Department of Transportation, 2003–2004
Scientific & Technical Committees
- Scientific Committee, 16th International Conference of IACMAG, July 1-4, 2020
- Technical Committee, 4th Geo-China Int. Conf., Shandong, China, July 25-27, 2016
- Scientific Committee, 6th Int. Conf. on Bituminous Pav., Greece, June 10-12, June 2015
- Int. Advisory Committee, First Int. Conf. on Science, Eng. & Env., Japan, Nov 19-21, 2015
- Int. Scientific Committee, 3rd Int. Conf. on Trans. Infrastructure, Italy, Ap 22-25, 2014
- Scientific Committee, IJPC Conference, São Paulo, Brazil, Dec 9-10, 2013
- Technical Committee, Bangladesh Society of Geotechnical Eng. Conf., Dec 20-22, 2009
- Session Chair, Int. ICCE-26 July 15-21, 2018 in Paris, France, Infra 6, 2018
- Session Chair, Int. Con. On Human Factors, Software, and Systems Eng., session 44, 2017
- Poster Session Chair, Chemical and Cementitious Stabilization, TRB 2015
- Session Chair, Paving and Transportation Conference, Albuquerque, 2010, 2011
- Session Chair, Int. Conf. on Engr. and Meta-Engineering: 2010, April 6-9, 2010, Florida
- Session Chair, Earth and Space Conference Long Beach, California, 2008