¿Qué es un Director de accesibilidad?

En What Being A Chief Accessibility Officer Means se explica en qué consiste el cargo de Director de accesibilidad:

In my role, I will manage internal and external accessibility projects.  I will ensure that accessibility best practices will be followed within the company and help clients meet their accessibility needs, including website and product accessibility.  I will consult on accessibility and inclusion issues that clients face from the employee to the customer level.