"Artificial gravity: Is Short Radius Centrifugation the Universal Countermeasure for Long Space Missions?", ELGRA Biennial Symposium and General Assembly "In the Footsteps of Columbus", vol. 26, Bonn, Germany, ELGRA News, September 1-4, 2, 2010.
"Artificial Gravity with Ergometric Exercise on International Space Station as the Countermeasure for Space Deconditioning in Humans", ESA Space Life Sciences Symposium , Trieste, June 2010.
"Astronaut Performance: Implications for Future Spacesuit Design", 53rd International Astronautical Congress, Houston, TX, IAC, 2002.
"Astronaut rotational Motion During Simulate Microgravity (paper and poster)", North American Congress on Biomechanics, Ann Arbor, MI, August 5-9, 2008.
"Astronaut Spatial Orientation Perceptions During Simulated Lunar Landing", 8th Symposium on the Role of the Vestibular Organs in Space Exploration, Houston, TX, April 8-10, 2011.
"Asymmetry in Vestibular Responses to Cross-Coupled Stimulus ", XXVI Barany Society Meeting, Reykjavik, Iceland, 2010.
Beyond Mars, Keynote Address, Foundation for the Future, , Seattle, WA, June 2005.
"Bio-Suit Development: Viable Options for Mechanical Counter Pressure", Society of Automotive Engineers, Inc., Warrendale, PA, SAE, 2004.
"The Case for Flexibility in System Design", 12th Annual INCOSE Insternational Systems Engineering Symposium (INCOSE 2001), Las Vegas, NV, July-August 2002.
"The Case for Flexibility in System Design", INCOSE 2002 International Symposium, Las Vesgas, Nevada, July 28-August 1, 2002.
"Commercial Payload Specialist Training", Aerospace Medical Association (AsMA) Annual Meeting, Poenix, AZ, May 2010.
"Control engineering approaches to human dynamic spatial orientation", 2nd Symposium on the Role of the Vestibular Organs in Space Exploration, vol. NASA SP-115, Ames research Center, CA, NASA, pp. 217-227, January 25-27, 1, 1966.
"Correlation of Hybrid III numerical models with physical ATD responses in various loading directions", 2013 NASA Human Research Program Investigators' Workshop, Galveston, TX, February 12-14, 2013.
"Countermeasure for a Mars Exploration Mission", International Forum for Space Life Science and Space Biotechnology, Beijing, China, September 24, 2013.
"Creative Thinking in a First Year Mechanical Engineering Design Course at the Massachusetts Institute of Technology: A Community of Practice Model", ASME Conference, Boston, MA, May 2008.
"Cross-Coupled Stimulus During Artificial Gravity: Asymmetric Tumbling Intensity Response", 8th Symposium on the Role of the Vestibular Organs in Space Exploration, Houston, TX, April 11-15, 201, 2011.
"Defining Parameters for Planetary Extravehicular Activities: A Study of Exurcions in a Mars Analog Environment", Habitation 2006, 2006.
"A descriptive model of multi-sensor human spatial orientation with applications to visually induced sensations of motion,", AIAA Visual and Motion Simulation Conference, Palo Alto, CA, American Institute of Aeronautics and Astronautics, September 10-12,, 1973.
"Design of a compact Short Radius Centrifuge Artificial Gravity Test Platform", 64th International Astronautical Congress, IAC, Beijing, China, Sept, 2013.
"Design of a Platform-based Surface Mobility System for Human Space Exploration", AIAA - Space, 2007.
"Design of a Short Radius Centrifuge Artificial Gravity Test Platform (poster)", NASA Human Research Program Investigators' Workshop, Galveston, TX, 2/12/13, 2013.
"Design of an Advanced Helmet Liner Using Simulations", IMPLAST 2010 SEM Fall Conference, Providence, RI, October 12-14, 2, 2010.
"Desktop VR system for preflight 3D navigation training (abstract)", 16th IAA Humans in Space Symposium, Beijing, China, May 20-24, 2007.
"Developing a Spacesuit Injury Countermeasure System for Extravehicular Activity", 2012 International Conference on Environmental Systems , San Diego, CA, 2012.
"Developing a Spacesuite Injury Countermeasure Sytem for Extravehicular Activity: Modeling and Analysis", International Conference on Environmental Systems 2012, San Diego, CA, 2012.
"Development and Simulation of a Pilot Failure Detection Model within a Closed-Loop Human-System Model", NASA Human Research Program Investigoators' Workshop, Houston, TX, 2012.
"“Development and Validation of a Multidisciplinary Spacesuit Model”", 44th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, Jan., 2006.
"Development of a comprehensive astronaut spacesuit injoyry database", 63rd International Astronautical Congress, Naples, Italy, 2012.
"Development of a musculoskeletal human spacesuit interaction model", NASA Human research Program Investigators' Workshop, Galveston, TX, 2013.