Expert Witness Group Specializing in Software Architecture, User Interface, and Human Factors.Dr. Rosenberg has been retained as an expert witness numerous times for both plaintiff and defense, assisting clients in intellectual property and trade secret cases in the areas of user interface, software design and architecture, and human factors for mobile, web, desktop, embedded, and server environments. He specifically specializes in software engineering, user centered design, information architecture, user experience, systems engineering, object oriented analysis, complex systems, and modeling and simulation. He has extensive experience in the entire software design and development life cycle applied to a wide range of domains, from mobile devices though enterprise class mission-critical applications.