add Gregor to team

content/about/_index.md

@@ -38,6 +38,7 @@ at the University of Tromsø, Norway, and the
 
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+**Gregor Decristoforo** gained experience in parallel programming and research software engineering during his PhD in computational physics. As a Postdoc at UiT he set up and maintained the [Complex Systems Modelling](https://github.com/uit-cosmo) Github organization. Gregor has experience in Python, C++ and CUDA and is currently learning R and Rust.
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