Maintainer & Lead Developer of the RaspiBlitz project - an open source Bitcoin & Lightning Full Node project for the RaspberryPi that is highly community-driven with over 100 contributors on GitHub so far.

Also an active community manager as part of Fulmo - organizing the Lightning Hackdays and the international Lightning Conference in 2019. Based in Germany and a long time member of one of the Berlin Bitcoin meetup that started in Room77 which was the first bar accepting Bitcoin for beer & burgers - for the freedom of transaction.