Founder of the world's first sign language messenger Five App[1] and venture house Nextrope.
Finalist of the ranking of the most influential European entrepreneurs under the age of thirty, Forbes 30 Under 30.
[citation needed] In 2015, at the age of 17 Mateusz Mach debuted as an entrepreneur when he introduced the Five App start-up.
[5][6] The mobile application was the world's first sign language messenger,[7] enabling deaf people to communicate efficiently using Android- and iOS-based devices.
As a social impact project, the Five App was largely acclaimed among the targeted audience and acquired over ten thousands of users.