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
More contributors

Ludmiła Boryło
Agile Chapter Lead at HEINEKEN
Ludmiła has 11 years of experience as a Scrum Master and Team Agile Coach. Currently, she's leading a team of Scrum Masters in a large…

Maria Oleszkiewicz
Software Engineer at IBM
Maria Oleszkiewicz is a Python & Scala programmer. Currently, she is developing the Python API for IBM Watson Machine Learning. In her free time, she…

Greg Herlein
Director, Site Reliability Engineering, Customer Experience at Cisco
Currently Director, Site Reliability Engineering at Cisco Customer Experience. Linux user and contributor since 1994. Operations first. Robotics enthusiast.

Daniel Spiewak
Principal Engineer at Disney Streaming
Daniel Spiewak is a Software Developer based out of Boulder, CO. Over the years, he has worked with Scala, Java, Ruby, Haskell, C/C++, SML, Clojure,…