Bartosz started as a quantum physicist, joined Microsoft to build the search engine for Windows and became an avid proponent of OOP
Then he got into concurrency and parallelism and now he’s evangelizing FP and writing the book Category theory for programmers

Quentin is a web fan entrepreneur who works on innovative technologies, cloud computing, and social interactions. He comes from the tech part of the web, but now has some marketing, commercial and strategies skills

Vladimir is enthusiast and is learning to live and love this life everyday. Currently he focus on data: he tries to infer insights from data. Vladimir believes that functional programming and big data will be hot topics in the near future.

M.Sc in Computer Engineering and Erlang passionate, Roberto has been working with Erlang technologies since 2007. Sicilian of origin, he is now based in Stockholm where he works as a senior consultant and trainer

Tomek works in the core architecture team, a SAAS solution for recruitment.
He co-leads SCKRK, Polish JUG, GeeCON and Lambda Lounge Kraków, where he tries to learn FP (results vary, but he tries). He believes in feedback, so tell him what you (dis)liked!

Simone is a software engineer with a passion for programming languages and in general anything that makes a developer's job easier, fun and more productive

Yan develops scalable backend services for Gamesys's social games on mobile and Facebook.
He is co-author of the book F# Deep Dives, a regular speaker on topics such as AOP, F# and NoSQL

Clément is a programmer currently working for a Europe-based PaaS company. He is particularly interested in practicing and teaching Functional Programming

Alfredo is an enthusiastic programmer who tries to find the most elegant solution for the problem at hand.
He likes to define himself a beauty-driven developer. Robert C. Martin's Clean Code is his bible, functional languages his inspiration

Federico founded Measurence, Coderloop and Cloudify. He hacked at Gilt Groupe, Yahoo and Vodafone and lived in 5 cities, 3 countries and 2 continents

Andrea is a mathematician turned to programming, who found his sweet spot in the R&D group of UniCredit. There, he can be found proposing yet another programming language or trying to implement some more or less obscure paper.

Michele has been a computer network and computer system security consultant for companies and research institution since 1996. Server shepherd and dungeon master, he is also author of papers on bio-informatics and chaos theory.

Luca is a software engineer currently working in London. After more than a decade spent building systems with OO languages, in 2011 he had an epiphany and started using Clojure: he hasn't stopped since then

Marcin is a software developer and theoretical computer science student at Jagiellonian University. He's passionate about maths, trying to find its interesting applications in real-life problems and share them with others

Programming language polyglot and explorer, Marek likes showing people awesome technologies.
He believes in free software and in the culture of sharing. When not staring at a screen, he can be met on his beloved road bike.

Andrea is a language enthusiast with an obsession for clean and beautiful code. He loves learning new technologies and being an early adopter. He strongly believes in accessible culture and education and in open-source software

Having learnt the dark arts of FP at the University of Nottingham, Joe is undergoing a PhD in parallel and heterogeneous systems at the University of St Andrews. He believes in the educational benefits of hackathons and hack culture

Michael is the technical architect at a Brighton UK based travel software solutions company and a founding member of the F# Foundation. He is responsible for developer training at his company and the maintainer of some F# open source projects.

Claudio is the author of several papers in journals and proceedings of international conferences. His research topics are Mathematical Knowledge Management and Interactive Theorem Proving. He was a member of several European research projects

Mahesh have been involved in "Internet Stuff" since Day Zero (remember Gopher?) and is currently building out the Erlang based infrastructure for all of Ubiquiti's cloud services.

Flavio spends most of his time hacking on storage and messaging modules. He actively contributes to open-source projects: he belongs to the MongoDB Masters group, is a contributor of Rust lang and was an active member of Gnome's a11y team

Roberto spent most of his life studying computer science and he is currently working in highly complex environments with enterprise technologies. He started practicing FP about 5 years ago and nowadays he is working professionally in Scala.

Jan is a backend developer at stylefruits GmbH. He runs half marathons and likes to wander in snowy Alpine wilderness.
He got a M. Eng. in CS at Warsaw University of Technology and he is easily confused by the assignment operator

Riccardo is a functional guy living in an imperative world. Active in the F# community and founder of the DC F# user group, he is a believer in polyglot programming as a mechanism in finding the right tool for the job.

Alvaro works as developer advocate for RabbitMQ. He used to work in Shanghai building one of Germany biggest dating websites and he co-authored "RabbitMQ in Action"

Reading SICP made Simon flip-flop from natural to programming languages. He loves to think about how the two domains interact and influence one another. His daily, unglamorous back-end work is made lighter by the wonders of FP