Invited Lecture, Symposium to honor Professor Daniel Joseph , 14th US Congress of Applied Mechanics, Virginia Polytechnic Institute & State University, Blacksburg, Virginia, June 23-28, 2002
	Invited Seminar, Department of Aerospace and Mechanical Engineering, Oklahoma University, Norman, Oklahoma, November 1, 2001
	Invited Seminar , Department of Chemical and Petroleum Engineering , University of Kansas, Lawrence, Kansas , September 25, 2001
	Invited Seminar, Mathematics Department , Wichita State University, Wichita, Kansas, February 9, 2001
	Invited Seminar, Mechanical and Aerospace Engineering Department, University of Texas at Arlington, Arlington, Texas, March 2, 2001
	ASME Fluids Engineering Division Lecture, American Society of Mechanical Engineers International Mechanical Engineering Congress & Exposition, Orlando, Florida, November 5-10, 2000
	Keynote Lecture, Regional Meeting of the Polymer Processing Society, Technical University of Brno, Zlin, Czech Republic, August 16-18, 2000
	Invited Seminar, School of Mechanical and Materials Engineering, The Washington State University,Pullman, Washington, April 3, 2000
	Invited Seminar, Department of Mechanical Engineering, The University of New Mexico, Albuquerque, New Mexico, March 28, 2000
	Invited Seminar, Departments of Mechanical and Chemical Engineering, Tulane University, New Orleans, Louisiana, February 25, 2000
	Invited Talk, Symposium to recognize the contributions of Professor Howard Brenner on the Occasion of his Seventieth Birthday, MIT, September 25, 1999
	Invited Seminar, Universidad de La Serena, La Serena, Chile, August 20, 1999
	Invited Seminar, Universidad Tecnologica Nacional, Buenos Aires, Argentina, August 10, 1999
	Invited Lecture, Workshop on "Multi-phase/Multi-fluid Fluid Dynamics", University of Pennsylvania, Philadelphia, Pennsylvania, March 19-20, 1999
	Visiting Professor & Lecturer, Universidad de Santiago de Chile, Research Institute of Santiago de Chile University and the Department of Mechanical Engineering, Santiago, Chile, December 1998 - January 1999
	Visiting Professor, University of New Brunswick, Department of Mathematics, Statistics and Computer Science, Saint John, N.B. Canada, June, 1997
	Visiting Professor, & Lecturer, Pontificia Universidade Catolica, Department of Mechanical Engineering, Rio de Janeiro, Brazil, May 1-15, 1997
	Invited Lecture, Annual Meeting of the Caribbean Academy of Sciences, Barbados, April 23-25, 1997
	Invited Seminar, University of Missouri-Columbia, Department of Mechanical and Aerospace Engineering, Columbia, Missouri, April 10, 1997
	Invited Seminar, Polytechnic University, Department of Mechanical, Aerospace and Manufacturing Engineering, Brooklyn, New York, March 27, 1997
	Visiting Professor, & Lecturer, (sponsored by the World Bank), The University of the West Indies, Department of Mathematics and Computer Science, St. Augustine, Trinidad & Tobago, April - May, 1997
	Plenary Lecture, VIII National Workshop on Rheology, Sofia, Bulgaria, October 9, 1996
	Invited Lecture, Inst. of Mechanics, Bulgarian Academy of Sciences, Sofia, Bulgaria, October 9, 1996
	Invited Lecture, Technical University Brno, Faculty of Technology Zlin, Zlin, Czech Republic, October 4, 1996
	Invited Lecture, Institute of Hydrodynamics, Czech Academy of Sciences, Prague, Czech Republic, October 2, 1996
	Invited Lecture, Ecole Nationale Superieure des Mines de Paris, Sophia Antipolis, Valbonne, France, October 1, 1996
	Invited Lecture, Laboratoire de Rheologie, Universite Joseph Fourier, Grenoble, France, September 27, 1996
	Invited Lecture, East China University of Science & Technology, Rheology Research Center and Departments of Mechanical & Chemical Engineering, Shanghai, People's Republic of China, September 15-22, 1996
	Invited Lecture, China Textile University, Department of Textile-Chemical Engineering, People's Republic of China, September 15-22, 1996
	Invited Lecture, Department of Mechanical Design, Pusan National University, Pusan, Korea, September 12, 1996
	Invited Lecture, Department of Mechanical Engineering, Seoul National University, Seoul, Korea, September 17, 1996
	Invited Lecture, Department of Chemical Engineering, Seoul National University, Seoul, Korea, September 16, 1996
	Invited Lecture, Department of Metallurgy, University of Tokyo, Tokyo, Japan, September 9, 1996
	Invited Lecture, Department of Mechanical and Production Engineering Niigata University, Niigata, Japan, September 5, 1996
	Invited Lecture, Department of Mechanical Engineering, Tokyo Denki University, Tokyo, Japan, September 3, 1996
	Invited Lecture, Ecole Superieure de Physique et Chimie Industrielles, Physique et Mecanique des Milieux Heterogenes, Paris, France, June 7, 1996
	Invited Lecture, Ecole Nationale Superieure de Techniques Avancees, Groupe Phenomenes d'Interface, Palaiseau, France, June 6, 1996
	Invited Lecture, Universita degli Studi di Roma, Dipartimento di Meccanicae Aeronautica, Rome, Italy, June 21, 1996
	Invited Lectures, Instituto per le Applicazioni de Calcolo - C.N.R. (Consiglio Nazionale delle Ricerche), Rome, Italy, June 19-20, 1996
	Invited Seminar, University of Missouri-Rolla, Department of Mechanical and Aerospace Engineering and Engineering Science, Rolla, Missouri, May 2, 1996
	Invited Speaker, Materials Society, Auburn University, April 10, 1996
	Invited Speaker, 32nd Annual Meeting of the Society of Engineering Science (SES), New Orleans, October 29-November 1, 1995
	Department of Mechanical Engineering and the Research Institute of the University of Santiago, Santiago University, Santiago, Chile, September 15-30, 1995
	Plenary Lecture, Annual Meeting of the Korean Society of Rheology, Taejon, Korea, Sept. 30, 1994
	Invited Lectures, Seoul National University in Seoul and Oriental Chemical Industries Research Center in Inchon, Korea, September 22 & 23, 1994
	Invited Seminar, Stevens Institute of Technology, Highly Filled Materials Institute, Hoboken, New Jersey, March 30, 1994
	Invited Seminar, University of Massachusetts, Department of Chemical Engineering, Amherst, Massachusetts, March 17, 1994
	Invited Speaker, to China to lecture at the National University in Beijing and China Textile University in Shanghai, September 1993
	Invited Speaker, joint meeting of the ASME Applied Mechanics and Bioengineering Divisions, ASCE Engineering Mechanics Division, and the Society of Engineering Science (SES), U. of Virginia, Charlottesville, VA, June 6-9, 1993
	Invited Speaker, to Korea to lecture at the following Institutions: Seoul National University, Pusan National University, Oriental Chemical Industries Research Center at Inchon, July 1993
	Invited Speaker, to Canada, Symposium on Recent Developments in Structured Continua III, Montreal, May 26-28, 1993
	Invited Speaker, to India to lecture at IIT Delhi, IIT Madras, December 1992
	Invited Speaker, to Russia, to lecture at the Institute of Applied Mechanics of the Russian Academy of Sciences, Moscow, Russia, September 1992
	Invited Speaker, to USSR to deliver a plenary lecture in the Symposium "Some Current Problems of Rheology, Biomechanics and Biorheology", Moscow, USSR, August 19-25, 1991
	Invited Speaker, ASME Applied Mechanics/Bioengineering Conference, Columbus, Ohio, June 16-19, 1991
	Invited Speaker, Symposium on Recent Developments in Structured Continua II, Universite de Sherbrooke, Sherbrooke, Canada, May 23-25, 1990
	Invited Speaker, Symposium on the Continuum Mechanics of Polymeric Liquids, Lisbon, Portugal, Jan. 4-7, 1988