All contributors
All contributors
![Karolina Wasielewska](https://sphere.it/wp-content/uploads/2022/02/FB_IMG_1636901028023-1-min-1-150x150.jpg)
Karolina Wasielewska
journalist, author of “Girls Gone Tech” blog
Karolina is a radio and press journalist and the author of the “Girls Gone Tech” blog. Currently, she publishes and reads news on Radio Złote Przeboje (Agora SA). She also runs a blog and a related fan page on Facebook devoted to the history of women in science and technology, and she published her first book "Cyfrodziewczyny" - a reportage about the female pioneers of Polish IT.
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![fallback image](https://sphere.it/wp-content/themes/sphere-learning-platform/assets/img/person.png)
Bartłomiej Małecki
Software Engineer at IBM / IBM Master Inventor
Seasoned software engineer at IBM / IBM Master Inventor – recently (last two years) enjoying scala/akka/kafka/spark
![Juho Vepsäläinen](https://sphere.it/wp-content/uploads/2021/03/166921-150x150.jpeg)
Juho Vepsäläinen
Founder of SurviveJS, JSter, React Finland and GraphQLFinland
Juho Vepsäläinen is behind the SurviveJS effort. He has been active in the open-source scene since the early 2000s and participated in projects like Blender…
![Iulian Dragoș](https://sphere.it/wp-content/uploads/2021/03/Iulian_Dragoș-150x150.jpeg)
Iulian Dragoș
CEO & Co-founder at Triplequote LLC
He dreams about a world where the Scala programming language is the default choice in the enterprise. He learned Scala by writing the compiler backend…
![Leon Stigter](https://sphere.it/wp-content/uploads/2021/03/Leon_Stigter-1-150x150.jpg)
Leon Stigter
Senior Product Manager for Serverless at Lightbend
Leon Stigter is a Sr. Product Manager for Serverless at Lightbend, Leon's focus is to help developers accelerate their serverless journey, leveraging both open source…