Michael joined the W3C in June 2006 as a Web Accessibility Specialist. Michael is the Team Contact for the Accessible Platform Architectures Working Group which supports accessibility of W3C technologies, the Accessible Rich Internet Applications Working Group which develops accessibility semantics to support assistive technologies, and Accessibility Guidelines Working Group which develops authoring guidelines and techniques to create accessible content. He supports task forces in these groups to address accessibility for users with cognitive or learning disabilities, low vision, or users of mobile devices; research accessibility issues of upcoming technologies, and explore new technologies. Key specifications include the Web Content Accessibility Guidelines (WCAG), Accessible Rich Internet Applications (WAI-ARIA), and Framework for Accessible Specification of Technologies.

Prior to joining W3C, Michael worked at Watchfire as Accessibility Product Manager, responsible for automated and tool-assisted manual accessibility evaluation software. He focused on supporting harmonized international standards via this software and supported customers to achieve those standards. Previously Michael was the product manager at CAST for Bobby, an early accessibility evaluation tool which was purchased by Watchfire in 2002. At CAST he also worked on technical approaches to providing self-adaptive learning materials for students with disabilities. Before entering the field of Web accessibility, Michael worked in the disability services office at the University of Denver, providing academic accommodations and technical training for students with disabilities.

Michael holds a Master of Education degree from the Harvard University Graduate School of Education and a Bachelor of Arts in Psychology from the University of Denver.

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