After working in all the engineering/team/project management functions up to a CTO. As CTO he built software house 10-fold: from 6 to 60 people. After few years of being the CTO, he decided to go back to full-time engineering role and he works as a Principal Software Engineer in his company (and is super happy about it). Jarek has been working as an engineer in many industries - Telecoms, Mobile app development, Google, Robotics and Artificial Intelligence, Cloud and Open Source data processing. Jarek is currently PMC and active committer in the Apache Airflow project.

Tomek is a software engineer at Polidea and Apache Airflow committer. He is an open-source enthusiast and chapter lead of ALC Warsaw. Tomek is a book and philosophy lover with a big interest in financial markets.

Kamil is a geek and programming enthusiast. In his free time, he realizes his passion - programming. In the past, he worked with an NGO dealing with FOI. Then he worked on a startup in the blockchain area. Now he enjoys a great Apache Airflow project every day.

Daniel Imberman is a full-time Apache Airflow committer, a digital nomad, and constantly on a search for the perfect bowl of ramen. Daniel received his BS/MS from UC Santa Barbara in 2015 and has worked for data platform teams ranging from early-stage startups, to large corporations like Apple and Bloomberg LP.