All contributors
All contributors
![Rory Graves](https://sphere.it/wp-content/uploads/2020/01/SphereIT22_gotowe_web_BPawlik-343-150x150.jpg)
Rory Graves
Staff Software Engineer at The Trade Desk
A software developer who has worked at every scale from tiny startups to global organisations. Rory has a passion for contribution and has contributed to many open-source projects. A passionate optimizer, known for drive by optimization of random OSS projects. Worked on performance optimization within the Scala compiler. Outside of IT, he has many interests including public speaking, windmills, and martial arts.
Speakers related by area of interest
![Gabriele Petronella](https://sphere.it/wp-content/uploads/2021/03/Gabriele_Petronella-150x150.jpeg)
Gabriele Petronella
Co-founder of buildo
Gabriele is co-founder of buildo, where he’s a software engineer, working with Scala, JavaScript and Swift. He founded the Scala User Group in Milan and…
![Vladimir Polushin](https://sphere.it/wp-content/uploads/2021/03/Vladimir_Polushin-150x150.jpeg)
Vladimir Polushin
Open source contributor – Scala
Vladimir has worked on two Google Summer of Code projects, fastparse bytes and stalagmite for better case classes. He is a regular contributor to ENSIME…
![Krzysztof Romanowski](https://sphere.it/wp-content/uploads/2021/03/Plener_72-2-Krzysztof-Romanowski-1-150x150.jpg)
Krzysztof Romanowski
Head of Dev & Scala Tooling at VirtusLab
Head of Dev & Scala Tooling VirtusLab where he has spent endless hours debugging and fixing Scala IDE, SBT, IntelliJ, and even the Scala compiler itself. For…
![Krzysztof Borowski](https://sphere.it/wp-content/uploads/2021/03/Krzysztof_Borowski-150x150.jpg)
Krzysztof Borowski
Software Engineer at VirtusLab
Krzysiek is a Scala programmer @ Virtuslab. Believes that simplicity is the key to modern software development. Passionate about all technologies and ideas that make…