Senior UX/UI Designer Profile: Tim has been involved in user centered design for over 20 years, with a focus on human factors and usability. He has worked on a wide variety of projects focusing on improvement of functionality and performance. He is an expert with Heuristic evaluation, usability, developing and evaluating user interfaces (GUI design), iterative design methodology and human computer interaction (HCI). Areas of experience: Usability & Interaction Design Usability engineering, Standards and guideline review, User interface design standards, Usability testing/Focus groups, Cognitive walkthroughs, Heuristic evaluation, Pluralistic walkthroughs, Website design, Interaction design, Personas, Use cases, Scenarios, Contextual Inquiries, Affinity Diagrams, Contextual Design, Ethnography, wireframes, user flows Development Software development standards, Software testing, HTML authoring, 3D modeling and programming, Advanced image manipulation and analysis, 3D interfaces, Interactive digital prototyping, Artificial Intelligence, touch input, SQL, Agile Development Other Secret military clearance, Military/ SPA WAR/DOD/ONR contracts, CDC/ NHSN, SaaS, Training and instructional design, Technical writing and editing, Project management, Healthcare, Medical Diagnostic Imaging systems, Electronic Medical Records, HIPAA, Fitness Equipment.