Invited keynote speaker for Eurographics ‘96, Poitiers, France, August, 1996

Invited talk on FASTexpeditions and Remote FAST at Imagina in Monaco, February, 1996

Invited keynote speaker for the 3rd International Interactive Multimedia Symposium in Perth, Australia, January, 1996

Invited presentation "Remote Visualization and Remote Collaboration Tools for Computational Fluid Dynamics" at the 6th International Symposium on Computational Fluid Dynamics, Incline Village, NV, September, 1995

Invited lecturer for the IEEE Computer Society, Livermore, CA, February, 1993

Invited lecturer for the UC Davis Instructional Technology Symposium, Davis, CA, May, 1992

Invited lecturer for the 1992 Technical Lecture Series on "Computer Technologies for the 21st Century, San Diego, CA, February, 1992

Invited Feature Talk, "Computer Visualization" at the AIAA 30th Aerospace Sciences Meeting, Reno, NV, January, 1992

Invited presentation at the Visualization in Engineering and Science Seminar, Linkoping University, Sweden, August, 1991.

Invited presentation at the Computational Science Institute in CFD at the San Diego Supecomputer Center, August, 1991.

Invited presentation on Scientific Visualization at the Boeing Workshop on Scientific Visualization, Bellevue, WA, June 1991

Invited presentation at the Department of Energy Computer Graphics Forum, Bodega Bay, May, 1991

Invited lecture Visualization of Fluid Dynamics for the National Research Council in Ottawa, Canada, May 1991

Invited presentation at the 1991 Technical Computing Executive Conference, Visualization Directions in Engineering Analysis, Orlando, FL, March, 1991.

Invited panelist for the session Attacking Unsolved Problems in Visualization of Scientific Data, SPIE/SPSE's Electronic Imaging Science and Technology Conference, San Jose, February, 1991.

Invited keynote presentation at the Corps of Engineers' Waterways Experiment Station Visualization Seminar, Visualization of Fluid Dynamics at NASA Ames, Vicksburg, MS, January, 1991.

Invited presentation at the Symposium on Computational Technology for Flight Vehicles, Visualization of Fluid Dynamics at NASA Ames, Arlington, VA, November, 1990

Invited keynote presentation at the Defense Science Seminar on Computational Continuum Dynamics, Visualization of Fluid Dynamics at NASA Ames, Cranfield Institute of Technology, Cranfield, England, July 1990.

Invited presentation at the Twelfth Finite Element Method Conference, Visualization of Fluid Dynamics at NASA Ames, San Jose, May 1990.

Invited presentation at the Workshop on NASA Workstation Technology, Recommendations for Improvements in Scientific Workstations, Palo Alto, CA., March, 1990.

Invited presentation at the Electronic Imaging West '90 Conference, Visualization at NASA, Pasadena, CA., February/March, 1990.

Invited panelist in the Hardware/Software Solutions for Scientific Visualization session at the AIAA 28th Aerospace Sciences Meeting, Reno, NV., January, 1990

Invited presentation at the American Nuclear Society Winter Meeting, Visualization of Computational Fluid Dynamics at the NASA Ames Research Center, San Francisco, CA., November, 1989.

Invited presentation at the Supercomputing '89 Conference, Visualization of Supercomputer Simulations of Physics, Reno NV., November, 1989

Invited presentation at the Third Annual INEL Computing Symposium, Recent Advances in Scientific Computing, Idaho Falls, ID, October, 1989.

Invited participation in the "Visualization Workshop: Technology and Needs Assessment" sponsored by MCC in Austin, TX, August, 1989.

Invited presentation at the Cray Users Meeting, The Scientific Visualization Project at NASA's Numerical Aerodynamic Simulation Facility, April, 1989

Invited presentation at the Federal Computer Conference and Defense and Government Computer Graphics Conference, Application of Advanced Workstations at NASA's Numerical Aerodynamics Simulation Facility, April, 1989

Invited presentation at Electronic Imaging '89, Scientific Visualization at NASA's Numerical Aerodynamic Simulation Facility, April, 1989

Invited presentation at the 1989 AIAA Aerospace Engineering Conference and Show, Advances in Visualization Tools, February, 1989

Invited presentation at the Santa Clara University, A Breakthrough for Experiencing and Understanding Simulated Physics, February, 1989

Invited participation in the "Panel of Experts for the Supercomputer Managers' Workshop" for the Supercomputer 88 Conference, November, 1988

Invited presentation at the Electronic Imaging Conference, October, 1988

Invited presentation given at the 1988 ASEE Annual Conference,

A Breakthrough for Experiencing and Understanding Simulated Physics, June 1988

Invited presentation at the Engineering Workstation Conference, Future Workstations for Visualization of 3D Dynamical Physics, September, 1987

Invited presentation at the Defense Nuclear Agency Numerical Methods Symposium, Graphics and Workstations, April 1987.

Invited presentation at the 1987 Department of Energy Graphics Forum, Use of High Performance Graphics Workstations in Fluid Dynamics Research, March 1987.

Invited presentation at AIAA Aerospace Engineering Conference and Show, Use of Computer Graphics for Visualization of Flow Fields, February 1987.

Chaired the "Tensor/Flow" session at the Visualization ’98 Conference, Research Triangle Park, NC, October, 1998

Chaired the "Surface Simplification" session at the Visualization ’97 Conference, Phoenix, AZ, October, 1997

Chaired the "Implementation 1" session of the VRML97 Conference, Monterey, CA, February, 1997.

Organized the VRML demonstrations held at SIGGRAPH ‘96, New Orleans, MS, August, 1996

Organized the SIGGRAPH '95 panel session, "3D Graphics Through the Internet --- a Shoot-Out", August, 1995

Chaired the Interactive Computer Graphics Session of the AIAA 33rd Aerospace Sciences Meeting and Exhibit, Reno NV, January, 1995.

Organized and Chaired the Interactive Computer Graphics Session of the AIAA 32nd Aerospace Sciences Meeting and Exhibit, Reno NV, January, 1994.

Chaired the Scientific Visualization Session of the AIAA CFD Conference, Orlando,

July, 1993.

Chaired the Flow Field Visualization Session of the Visualization '91 Conference,

San Diego, October 1991.

Organized and chaired the Scientific Visualization Demonstration Session at the AIAA CFD Conference, Hawaii, June 1991.

Organized and chaired the Scientific Visualization Session of Physics Computing, San Jose, Ca, June 10-14, 1991

Organized and chaired the Software for Scientific Visualization Session of NCGA '91, Chicago, Illinois, April 22, 1991

Organized and co-chaired the demonstration session of the IEEE Visualization 90 Conference in San Francisco, October, 1990

Organized and co-chaired with Professor Hesselink of Stanford the Second Workshop on Scientific Visualization, June, 1990.

Organized and chaired the Scientific Visualization Session of Compcon '90, San Francisco, CA, February, 1990.

Chaired the "Representation of Complex Systems" working group at the Scientific Visualization Workshop, January, 1988

Organized and hosted the joint meeting of the AIAA Interactive Computer Graphics and CAD/CAM committees, July 1987.

Organized and chaired the Computer Graphics and Image Analysis Session of the AIAA CFD Conference, June 1987.

Presentation at the NASA CFD Conference, Software for Visualization of Fluid Dynamics, March 1991

Presentation at the NASA CFD Conference, Visualization of Fluid Dynamics at NASA Ames, March, 1989

Presented a 16mm stereo movie exhibit at the 27th Aerospace Sciences Meeting, January 1989

Created and presented the video and stereo viewer exhibit for the AIAA Interactive Computer Graphics technical committee at the 27th Aerospace Sciences Meeting, January 1989

Presentation at the 1987 ASEE Annual Conference, The Use of Computers for Instruction in Fluid Dynamics, June 1987. (Received the John C. Curtis Award from the Computers in Education Division for the best presentation.)

Invited seminar on Web Technologies, NASA Ames Research Center, Moffett Field, CA, March, 1998

Invited seminar at Stanford University, Stanford, CA, March, 1996

Invited seminar at Lockheed, Palo Alto, CA, March 1996

Invited seminar at the University of California at Davis, Davis, CA, May, 1993

Invited seminar at the Naval Postgraduate School, Monterey, CA, March, 1993

Invited instructor for Computational Science Institute in CFD, San Diego Supercomputer Center, San Diego, CA. August , 1992

Invited instructor for International Summer Institute, "State of the Art in Computer Graphics, University of Reading, UK, July 1992

Invited instructor for the Course on Visualization of Fluid Dynamics at the von Karman Institute, Belgium, September, 1991

Invited seminar at NASA JPL, April 9, 1991

Invited seminar at San Jose State University, September, 1990

Invited seminar at the University of California at Santa Cruz, April 1990

Invited seminar at Santa Clara University, November, 1989

Invited instructor for the Course on Visualization of Fluid Dynamics at the von Karman Institute, Belgium, September, 1989

Instructor in SIGGRAPH Computer Graphics Course, State-of-the-Art in Data Visualization, August, 1989

Invited tutorial session at the Scientific Visualization with Computer Graphics Conference sponsored by The Institute for Graphic Communication, September, 1988

Created and presented a joint Ames-Stanford-ASEE workshop at Stanford University, Scientific Applications for the Macintosh, July 1988.

Instructed the ME284 course on computer-aided engineering at Santa Clara University, September-December 1987

Organized and (with Lomax, Pulliam, and Thomas) instructed the AIAA Technical Course, Fundamentals of Computational Fluid Dynamics, January - May 1987. (A nationwide course given over the NYIT electronic conferencing system.)

Conducted a joint research project with Professor Hafez and Richard Potter of the University of California at Davis on the visualization of a vortex breakdown simulation. A paper on this research was presented at the AIAA CFD Conference in July, 1993.

Participated in the Science and Engineering Education Development (SEED) committee and the Education Delivery Systems working group of that committee. This committee was a consortium of companies led by the Stanford Research Institute trying to develop better methods for advancing the skills of the workforce. We worked on the development of a "distant mentoring system" using the new video and sound capabilities of workstations on networks.

Eurographics ‘97, Poitiers, France, August 1996

Stanford University, Stanford, CA, March, 1996

Lockheed, Palo Alto, CA, March 1996

Imagina, Monaco, February, 1996

3rd International Interactive Multimedia Symposium, Perth, Australia, January 1996

Supercomputing 95, San Diego, December, 1995

Science Information Systems Interop Conference, College Park, MD, November, 1995

Visualization 95, Atlanta, GA, November, 1995

Technology 2005, Chicago, October, 1995

6th International Symposium on CFD, Incline Village, NV, September, 1995

BAMTA 1st General Membership Meeting, Santa Clara, CA, August, 1995

SIGGRAPH 95 (Demonstrated both by EPA and Watson), Los Angeles, August, 1995

Supercomputing 94, Washington DC, November, 1994

Second International WWW Conference, Chicago, IL, October, 1994