All contributors
All contributors

Bart Kiszala
Entrepreneur, Angel Investor, co-founder of Base CRM
Bart Kiszala is an Entrepreneur and Angel Investor who started his first software business when he was 22. A few years later he co-founded Base CRM and worked on a product for 10 years as the CPO till 2018 when the company was acquired by Zendesk. Among other things, they managed to:
- Convince tens of thousands of salespeople to use Base
- Introduce Base to companies where hundreds of employees used our software daily
- Build an incredible team of 200+ people
- Raise more than 50M USD in 4 rounds of financing
- Run a tight operation between the two main offices, Krakow and Silicon Valley
- Scale production, tech, sales, marketing, finance, HR, and customer success
- Get acquired and become a gate for Zendesk to enter the sales software market
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Jakub Janczyk
Full-Stack Developer at Pragmatists
Full-Stack Developer fascinated about JavaScript and all its' ecosystem. Enthusiastic about Clean Code, Software Craftsmanship and especially ways of testing applications, including TDD and BDD…

Piotr Przygoda
Product Manager at VirtusLab
Piotr is an experienced product leader who specialises in identifying business opportunities, leading teams and creating compelling product propositions that benefit both the business and…

Pavel Fatin
Senior Software Developer at JetBrains
Programming enthusiast, technology advocate. IntelliJ Scala plugin developer at JetBrains. You can check out his GitHub here.

Justin Kaeser
Team Lead at Bazel, JetBrains
Justin believes in "Tools before Rules": automating the development toolchain to remove the friction of dealing with manual processes. He works on this goal as…