All contributors
All contributors
![Darja Jovanovic](https://sphere.it/wp-content/uploads/2021/04/darja-min-150x150.jpg)
Darja Jovanovic
Executive Director at Scala Center
Darja is the Executive Director of the Scala Center. She is known in the Scala community for leading the Scala Improvement Process, organizing educational events such as Scala sprees and ScalaBridge, managing the Scala Days program since 2017, and most recently she organized the 10th anniversary of the Scala Days conference in Lausanne.
Darja’s main occupation (and passion) is everything non-technical that supports and surrounds the Scala technology.
Speakers related by area of interest
![Dale Wijnand](https://sphere.it/wp-content/uploads/2021/03/Dale_Wijnand-150x150.jpeg)
Dale Wijnand
Senior Engineer at Lightbend
I’m an active OSS contributor, typically in Scala, and an sbt maintainer at Lightbend. Interested in FP, software tooling, and API and library design.
![Wojciech Mazur](https://sphere.it/wp-content/uploads/2022/03/vl-102-min-2-150x150.jpg)
Wojciech Mazur
Scala Tooling Developer at VirtusLab
Wojciech Mazur is a Scala Tooling Engineer at VirtusLab with many years of commercial experience in projects using Scala. For the last 2 years, he…
![Jan Christopher Vogt](https://sphere.it/wp-content/uploads/2021/03/Jan_Christopher_Vogt-150x150.png)
Jan Christopher Vogt
Software Engineer with Haskell at Symbiont.io
Author of CBT, co-author of Slick, a former member of Martin’s Scala team, pragmatic functional programmer with an appreciation for simplicity and appropriate design.
![Daniel Spiewak](https://sphere.it/wp-content/uploads/2021/04/Daniel_Spiewak-150x150.jpg)
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,…