Mario Stummer

Accessibility Expert, CEO at Barrierefrei PDF OG

I am an expert in the field of accessible PDFs. I have been working with people from the target group since 2002 and have extensive knowledge of the needs for digital and content accessibility. Accessibility in all situations for all people is the focus of my professional work, which I pursue with passion.



Mario Stummer

Accessibility Expert, CEO at Barrierefrei PDF OG


I am an expert in the field of accessible PDFs. I have been working with people from the target group since 2002 and have extensive knowledge of the needs for digital and content accessibility. Accessibility in all situations for all people is the focus of my professional work, which I pursue with passion.