David MacDonald is president of CanAdapt and an 18 year veteran with the WCAG Working group, the longest standing Invited Expert. He is the only Canadian Invited Expert listed on the WCAG 2.0 standard. He is on the core team for WCAG 2.1, which includes new requirements for mobile and small screens, low vision and cognitive disabilities. He was on the team that wrote the WCAG2ICT on document accessibility, and on the 3 person panel mapping PDF/UA to WCAG. He was a core contributor to the WCAG Evaluation Methodology , and an editor of Using ARIA . Most W3C accessibility documents include him as a named contributor.

He was the WCAG web accessibility consultant to the Government of Canada for the proposed Bill C-81, the Accessible Canada Act. He was the Government consultant for the high profile Donna Jodhan case, where 10 million Government pages had to become WCAG conforming. He followed up in 2020 with a landmark study for the Government which evaluated enterprise level commercial automated testing tools. He consulted to the Ontario Government during the creation of the AODA. He was the accessibility auditor for the forms and website to report AODA conformance to the Ontario Government. He has provided accessibility audits for dozens of Fortune 500 companies, such as Intel and Bayer. He taught the Prime Minister's office web content team and was the lead accessibility strategist for the House of Commons. He audited all websites under the jurisdiction of the Canadian Transportation Agency (Air Canada, Westjest, ViaRail, etc.) and CRTC telecommunications networks (Bell, Telus, Sasktel, etc.).

He is one of 14 members of the Certification Committee for the International Association of Accessibility Professionals (IAAP) and was a keynote in Las Vegas for the inaugural IAAP conference. He is a frequent conference speaker.

David personally conducts CanAdapt's audits to ensure a consistent and accurate interpretation of WCAG. He teaches most of our courses. He trained 80 web and mobile developers, managers, and designers at the Canadian Broadcasting Corporation (CBC).

He dedicates a portion of his work to hands-on accommodations of employees with disabilities to stay close to the community he serves. He works in English and French and is a husband and father. David wrote the WCAG theme song with over 40,000 combined views.

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