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All contributors
![Samuel Weiss](https://www.sphere.it/wp-content/uploads/2021/05/Samuel-Samuel-Weiss-150x150.jpg)
Samuel Weiss
Global Process and Application Management at DHL
Samuel is part of the Global Process and Application Management organizing at DHL Global Forwarding, primarily focusing on strategic initiatives coming from the IT renewal roadmap. He’s an entrepreneur with over a decade of experience in Product, Service, and Business Performance Management started as a software developer 25 years ago. Samuel is passionate about contributing to the success of the company.
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![Sofiane Fessi](https://www.sphere.it/wp-content/uploads/2021/06/Screenshot-2021-05-27-at-11.26.21-Sofiane-Fessi-150x150.png)
Sofiane Fessi
Head of Sales Engineering at Dataiku
Hi, I'm Sofiane and I have the pleasure of leading a team of brilliant Solutions Architects at Dataiku covering DACH and Eastern Europe.
![Iwona Celińska](https://www.sphere.it/wp-content/uploads/2021/07/IMG_0694s-1-150x150.jpg)
Iwona Celińska
Full Stack Developer at EQTek
Iwona is a programmer with 12 years of experience. She had the opportunity to get to know many sides of computer science. She had the…
![Bartłomiej Płotka](https://www.sphere.it/wp-content/uploads/2021/09/profile-min-1-150x150.jpg)
Bartłomiej Płotka
Principal Engineer at Red Hat
Bartek Plotka is a Principal Software Engineer at Red Hat with a background in SRE, currently working on Observability. As the co-author of the CNCF…
![Zbyszek Królikowski](https://www.sphere.it/wp-content/uploads/2021/12/1553617498774-150x150.jpeg)
Zbyszek Królikowski
Machine Learning Engineer at VirtusLab
Zbigniew is a Software Development Engineer at VirtusLab. He works on bringing ML recommendations and re-ranking models onto production, both in private and public clouds.