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Young Bui Ph.D.
Managing Scientist

Office Phone: 303.802.3408
Email: dbui@exponent.com
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Practice Areas

  • Human Factors
Dr. Bui uses his experience related to human cognition to evaluate perceptual and decision-making issues that contribute to accidents. He has specialized expertise in assessing visibility and conspicuity issues, and has applied this knowledge to incidents involving automobiles, pedestrians, motorcycles, bicycles/scooters, and tractor-trailers. He performs general assessments of roadway environments that include analyses of lighting, glare and sightline evaluations as they may relate to vehicle accidents, slip/trip-and-fall scenarios, and other premises liability claims. Dr. Bui is also active in research on various topics in human factors, including driver looking behavior, perception of roadway hazards, divided attention, and witness memory of events.

As a trained psychologist, Dr. Bui utilizes his education and expertise to assess the role of warnings and instructions in various accidents scenarios for both products and premises. He combines his knowledge of human behavior with his OSHA training to evaluate how the behavior of individuals may contribute to industrial and occupational accidents.

Additionally, Dr. Bui oversees projects employing various methodologies (human-subjects testing, inclusive literature reviews, quantitative injury and risk analyses), and has experience coordinating and carrying out large-scale usability testing of consumer products. He combines this experience with customized programming methods that leverage online platforms for various applications, including questionnaire surveys, experimental studies, and comprehension testing.

Dr. Bui received his Ph.D. from Washington University in St. Louis, where his research focused on how cognitive processes and decision making are influenced by individual limitations in age, attention, speed, experience, and memory. His work has addressed various topics regarding human behavior, including memory accuracy, visual-spatial learning, metacognition, and complex skill acquisition. Dr. Bui has also been extensively involved in the development and publishing of crowdsourcing techniques used to collect large-scale datasets, which has allowed researchers to supplement traditional laboratory methods with more cost- and time-efficient procedures.


  • Ph.D., Psychology, Washington University in St. Louis, 2015
  • M.A., Psychology, Washington University in St. Louis, 2011
  • B.A., Psychology, University of California, Los Angeles (UCLA), 2008


  • OSHA – Qualified Individual for General Industry Standards (OSHA 511)
  • OSHA – Qualified Individual for Construction Standards (OSHA 510)
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