Breixo is one of the most recognised accessibility professionals in Spain. CPWA certified in accessibility by the IAAP, he is a member of the W3C Advisory Committee and is part of the international team of professionals developing the Web Content Accessibility Guidelines (WCAG) within the Web Accessibility Initiative. As a member of the board of the Spanish Association of Accessibility Professionals, Breixo develops activities aimed at promoting digital accessibility. He is also a member of UNE-ISO as an expert in digital accessibility and a member of the committee on accessibility in public procurement of ICT products: CTN-UNE 170/GT 1.