• Society of Rheology
• Biophysical Society
• American Institute of Chemical Engineers
• American Physical Society (Fluid Dynamics Division).

ASSOCIATE EDITOR

• International Journal of Chemical Engineering
• SIAM Journal on Applied Mathematics

MEETING ORGANIZER

• Banff International Research Station (BIRS) workshop:"Tissue Growth and Morphogenesis: from Genetics to Mechanics and Back" July 21 - 27, 2012.


• APS/DFD Annual Meeting, Long Beach, CA, November 2010. Chair for Session on Drops.


• Fifth Pacific Rim Conference on Rheology (PRCR5), Sapporo, Japan, August 2010. Chair for Session D-7: Suspensions, Emulsions, Foams.


• APS/DFD Annual Meeting, Minneapolis, MN, November 2009. Chair for Session on Non-Newtonian Flows.


• APS/DFD Annual Meeting, San Antonio, TX, November 2008. Chair for Session on Non-Newtonian Flows.


• XVth International Congress on Rheology, Monterey, CA, August 2008. Session Chair on Computational and Multiscale Modeling.


• Pan-American Advanced Studies Institute (PASI) on Interfacial Fluid Dynamics, Mar del Plata, Argentina, August 2007. Session Chair.


• APS/DFD Annual Meeting, Tampa, FL, November 2006. Chair for Session on Drops and Bubbles.


• Society of Rheology Annual Meeting, Portland, ME, October 2006. Program Committee member and co-chair for Symposium on Solution Rheology.


• Banff International Research Station (BIRS) workshop: "Interfacial Dynamics in Complex Fluids" May 27 - June 01, 2006.


• AIChE Annual Meeting, San Francisco, November 2003. Co-chair for Session on Flow of Liquid-Crystalline Materials.


• AIChE Annual Meeting, San Francisco, November 2003. Meeting Program Chair for the program on Fundamental Research in Fluid Mechanics.


• AIChE Annual Meeting, Reno, November 2001. Co-chair for Session on Fundamental Research in Fluid Mechanics: Non-Newtonian Flows.


• Society of Rheology Annual Meeting, Bethesda, October 2001. Program Committee member and co-chair for Symposium on Molecular Level Modeling and Theory.


• AIChE Annual Meeting, Dallas, November 1999. Co-chair for Poster Session on Fundamental Research in Fluid Mechanics.


• Society of Rheology Annual Meeting, Madison, October 1999. Program Committee member and co-chair for Symposium on Liquid Crystals and Liquid-Crystalline Polymers.


• Workshop on Multiphase and Multicomponent Fluid Dynamics, Philadelphia, March 12-13, 1999. Organizing Committee member and moderator.

REVIEWER

• Journal of Fluid Mechanics
• Physics of Fluids
• International Journal of Multiphase Flow
• Fluid Dynamics Research
• Microfluidics and Nanofluidics
• Journal of Computational and Theoretical Nanoscience
• Journal of Fluids Engineering (ASME)
• Journal of Applied Mechanics (ASME)
• Journal of Heat Transfer (ASME)
• Biophysical Journal
• Annals of Biomedical Engineering
• Journal of Biomechanics
• Journal of the Royal Society Interface
• Acta Mechanica Sinica
• Mechanics Research Communications
• SIAM Journal on Applied Mathematics
• SIAM Journal on Multiscale Modeling and Simulation
• Communications in Mathematical Sciences
• Journal of Engineering Mathematics
• Discrete and Continuous Dynamic Systems – Series B
• AMS Contemporary Mathematics Series
• Indian Journal of Pure and Applied Mathematics
• Journal of Rheology
• Journal of Non-Newtonian Fluid Mechanics
• Rheologica Acta 
• Computational and Theoretical Fluid Dynamics
• Computers and Fluids
• International Journal for Numerical Methods in Fluids
• Computer Methods in Applied Mechanics and Engineering
• Computer Modeling in Engineering and Science
• Engineering Computations
• International Journal for Numerical Methods in Engineering
• Multiscale Modeling and Simulation
• Journal of Computational Physics
• Physica D
• Physical Review Letters
• Physical Review E
• Canadian Journal of Physics
• Journal of Statistical Physics
• Journal of Aerosol Science
• Journal of Adhesion Science and Technology
• Atomization and Sprays
• AIChE Journal
• Journal of Colloids and Interface Science
• Colloids and Surfaces A
• Canadian Journal of Chemical Engineering
• Chemical Engineering Science
• Chemical Engineering Communications
• Modelling and Simulation in Materials Science and Engineering
• Journal of Composite Materials
• Macromolecules
• Polymer Engineering and Science
• Journal of Polymer Science, Part B: Polymer Physics
• Polymer
• Langmuir 
• Journal of Chemical Physics
• American Chemical Society Symposium Series
• ANTEC (Society of Plastics Engineers) 
• World Scientific Press (book series "Advances in Computational Fluid Dynamics") 
• NSF, NASA, ACS - Petroleum Research Fund, Canadian Space Agency, NSERC, Fonds de recherche sur la nature et les technologies (Quebec), Technology Foundation STW/NWO (the Netherlands)