All contributors
All contributors
![Bart Kiszala](https://sphere.it/wp-content/uploads/2023/07/1677062581953-1-150x150.jpeg)
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
![Joanna Sendorek](https://sphere.it/wp-content/uploads/2021/12/vl-451-150x150.jpg)
Joanna Sendorek
Software Engineer at VirtusLab
Joanna is a Software Development Engineer at VirtusLab. She works on developing a framework for data forecasting and its deployment to the Hadoop cluster. She…
![Jakub Janczyk](https://sphere.it/wp-content/uploads/2021/03/Jakub_Janczyk-150x150.jpeg)
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…
![Marko Letic](https://sphere.it/wp-content/uploads/2021/03/sXVfPHpN_400x400-150x150.jpg)
Marko Letic
Tech Speaker at Mozilla, Lead Front-end Engineer at AVA
Marko Letic is a front-end engineer, lecturer and data visualization scientist. He is currently leading the front-end team at AVA, a Berlin-based company, where he…
![Daniela Sfregola](https://sphere.it/wp-content/uploads/2021/04/Daniela_Sfregola-150x150.jpg)
Daniela Sfregola
Software Engineer
Daniela is a Software Engineer based in London, UK. She is an active contributor to the Scala Community, a maintainer of open-source projects, and the…