Ruby developer who attended wroclove.rb 2016 as a less-experienced developer, became fascinated by DDD/CQRS/sagas, and later introduced DDD on a new project at his company despite no prior team experience. Shared the case study as a lightning talk at wroclove.rb 2018 after being encouraged by Andrzej Krzywda. CEO of the Polish Ruby consultancy 2NIT, organizer of community events, speaker at dozens of meetups. Gave a 2019 wroclove.rb lightning talk advising attendees to volunteer to get in for free. At wroclove.rb 2025 he closed the conference as a last-minute replacement speaker with the non-technical talk 'It is not so bad, after all', sharing fuckup stories from ~70 projects his company has been involved in. Organizes a recurring nerds-on-lakes sailing trip. No longer codes day-to-day; involved heavily in recruitment and team augmentation.