Filip Grebowski is a Developer Advocate at Permit.io, where he brings his 
expertise as an accomplished Engineer. With a deep-seated passion for 
creative web development, Filip is also a YouTube mentor, poised to 
hit the 100k subscriber milestone and has already amassed an impressive 
6 million views. Filip's journey with Cisco began during his university 
years and by the time he graduated, he was already working with the tech 
giant in Silicon Valley. Post-university, Filip continued to work with 
Cisco and took on a leadership role, successfully guiding a team and 
driving the company's frontend initiatives to new heights. Filip is a 
successful open-source project creator and an active member of the 
open-source community.

Or is the CEO and co-founder of Permit.io, co-maintainer and author 
of OSS OPAL.ac. Or is a serial entrepreneur who is passionate about 
developer tools, previously founding Rookout.com, a leading production 
debugging solution; and managing "Upwards", the  largest founders' 
PLG community. Before becoming a founder, Or worked as a lead engineer 
in multiple cybersecurity and big data companies, the intelligence corps, 
as a consultant for the Ministry of Defense, and as VP R&D at Netline 
CT cyber division. Prompting better and safer engineering Or has been 
recognized as a Snyk Ambassador, and as a JFrog Superfrog.