Michał Płachta

Polyglot software engineer specialised in developing distributed applications. Functional programming enthusiast. Loves the human component in software projects. Drinks a lot of tea. Has a blog at michalplachta.com. He currently works as team leader at Ocado Technology, where he is building actor-based software for automated warehouses.

Oleg Grenrus

Oleg is a programmer from Finland (i.e. he's a humble person). He became active in the Haskell community around 2015, and nowadays co-maintains (among other things) servant web-framework, the one where type trickery is involved.

Nickolay Kudasov