Interface Design and Development, located in Scottsdale, AZ, is a renowned consultancy led by Dr. Theo Mandel, a distinguished expert with over 30 years of experience in user experience design, user research, and usability testing. Specializing in application, website, and mobile app design, the company offers services such as prototyping, user research, and expert witness consulting for major clients.
With a background in IBM's Common User Access User Interface Architecture group and authorship of notable books on user interface design, Dr. Mandel brings a wealth of knowledge to the field. Interface Design and Development is known for its innovative solutions, corporate UX guidelines, and commitment to enhancing overall user experience through consumer psychology and usability principles.
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