You can:
demonstrate excellent knowledge of accessibility standards and legislation, including edge cases communicate requirements to a range of stakeholders actively share a deep knowledge of how to select and use appropriate technology (such as ARIA, Accessible Rich Internet Applications) to provide an excellent experience perform detailed audits of websites, services and documents, document findings clearly, and provide solutions for others to work from understand and communicate how usability influences accessibility, and the boundary between them advocate removing barriers across all your interactions provide training on a range of accessibility issues demonstrate confidence using a range of assistive technologies