News

Mandel Listed in the Top 66 Usability Experts

Andrew Chornyy, CEO of Plerdy, a UX marketing company, posted a list on LinkedIn of the top 66 Usability Experts. I’m honored to be on the list. Check it out.

User Experience Design, User Research, and Expert Witness Consulting

Key Skills

  • Over 30 years of experience and leadership in application, website and mobile app design, prototyping, user research and usability testing, applying psychology and consumer design principles.
  • User research/usability testing of wireframes, prototypes, and products, providing quick and inexpensive feedback on product design, marketing, branding, interaction, navigation, content, and overall user experience
  • Extensive experience creating corporate UX and UI guidelines and standards
  • Expert witness experience in numerous cases, representing major clients such as the Federal Trade Commission (FTC). Litigation topics include software patent, intellectual property, breach of contract,  trademark litigation, and fraudulent or deceptive trade practices. Expert witness testimony in Federal Court.
  • Eleven-year career in IBM’s leading-edge Common User Access (CUA) User Interface Architecture group. IBM team designed and prototyped IBM’s OS/2 object-oriented user interface. Consistently rated an outstanding performer at IBM
  • Author of two well-known books – “The Elements of User Interface Design” (John Wiley & Sons, 1997) and “The GUI-OOUI War: The Designer’s Guide to Human- Computer Interfaces” (John Wiley & Sons, 1994). Author of numerous magazine and journal articles on Graphical User Interfaces (GUIs), software and Web interface design, usability, and user research
  • Conference and symposium keynote speaker and workshop presenter on user experience design, user research, consumer psychology and usability

Testimonials

Dr. Mandel suggested solutions that greatly improved the site

He is…an outstanding talent when it comes to designing elegantly usable web pages

“Steady hand” in focusing on the core principles

From the Blog

Customers loved the new look and feel

"Theo revamped the user interface for ZOLL Data Systems' mobile electronic patient care product. Customers loved the new look and feel. Theo worked very well with our team and not only improved the product but imparted valuable knowledge to the team during the...

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Theo’s reputation and credentials were outstanding

"In defining a new product, it was clear that we needed to understand the customer and user needs as well as we could. We searched for the right caliber of professional who could both establish a rapport with all levels at the customer company and also prepare an...

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