Expert Witness Profile · Expert R251K
Accomplished software and systems engineer with specialized expertise in user interface design and human factors issues for embedded, mobile, web, desktop, and server software. Has published more than twenty research papers in professional journals and proceedings relating to user interface design, computer graphics, and the design of spatial and auditory displays. Designed and developed software for mobile, cloud, embedded, and supercomputer platforms for the aerospace, defense, communications, entertainment, and manufacturing applications for over twenty-five years. Extensive experience across the entire software development life cycle.
Credentials
Formal Education
- Ph.D. in Human Factors, University of Washington
- M.S. in Human Factors, University of Washington
- B.S. in Industrial Engineering, University of Washington
Engagement History
Career Highlights
- As a professor conducted NSF-funded human factors research
- Architect of a human performance simulation model created at a leading aerospace company to simulate human sensory, cognitive, and motor performance as applied to the roles of air traffic controllers, pilots, and UAV (unmanned drone) operators
- Co-founder and former CTO of a healthcare technology startup that used wearable and mobile devices to simplify electronic medical record data entry and reduce the documentation burden on providers
- Creator of an AI-based smartphone stethoscope that makes heart and lung exams more objective and allowing physicians to hear as well as visualize heart and lung sounds for improved diagnoses
- Founder, inventor, user interface designer, and software architect for a company producing GPS-enabled mobile apps for iOS and Android
- For his Ph.D. thesis, developed one of the very first spatial musical instruments to create and record electronic music
Why Attorneys Retain This Expert
Expert Qualifications
- Performed source code review in more than two dozen litigations, including involving technologies of Apple, Facebook, and Samsung
- Testified as an expert about thirty times for plaintiffs and defendants in litigations before U.S. District Courts, U.S. ITC, and U.S. PTO's PTAB
- Consulting expert in a number of cases relating to mobile device patents, including retentions by AT&T, Ericsson, and Motorola
- Retained and deposed as a testifying expert in patent infringement cases relating to GPS technology from Foursquare, Garmin, and Uber
- Testifying expert in class actions against Ford and Fiat Chrysler
Common Questions
Frequently Asked Questions
What types of cases can this expert support?
This expert handles UI design and human factors across consumer electronics, mobile devices, automotive, medical devices, aerospace, and cloud platforms. They've done source code reviews in 20+ litigations (Apple, Facebook, Samsung among them) and testified as an expert around 30 times before federal courts and the ITC.
What is this expert's technical background?
Ph.D. and M.S. in Human Factors, B.S. in Industrial Engineering—all from University of Washington. They've worked 25+ years in software development for aerospace, defense, and medical applications, including roles as a research professor, Boeing's human performance modeling architect, and co-founder of healthcare tech and GPS mobile app companies.
What technologies does this expert specialize in?
They work with C, C++, C#, JavaScript on mobile platforms (iOS/Android), plus GPS navigation, virtual reality, and set-top boxes. The focus is on how these technologies integrate with user interface design and human factors—especially safety and reliability considerations.
Adjacent Disciplines