The people behind Exercism
Track Mentors

Track Mentors

Our mentors are the human element behind Exercism, providing empathetic feedback on learners' solutions

Photo of Freddie Lawson

Freddie Lawson

I am a junior Ruby engineer, I've been working with it for a few months on an engineerig bootcamp and finding it a great language.

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Andrea Wayte

Science teacher turned software engineer. Currently working as a Ruby and Javascript developer. I enjoy working with others to create elegant code.

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Márton Garai

I'm a professional programmer since 2012.03. Working mostly in C#. I like it Clean, and agree with Kevlin Henney in conventions.

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Robin Victorino

I've been working as a Java developer for a bit more than 5 years now. Finding elegant solutions is something I value. I'm an open source enthusiast.

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Joe McMahon

I've written Perl5 since Perl 5.6, and authored the internal comments for the Perl debugger.

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Nada Ghanem

A continous learner, love technology and nature.

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Pongpanot Chuaysakun

I'm a junior developer from Thailnad. I want learn a new technology for improve myself.

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Magnus Lassi

I've been programming in many languages both professionally and as a hobby. I really like Go for its simplicity.

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Percy Grunwald

I have been writing Elixir for many years now and I find it a pleasure to write and read. Elixir is an extremely productive language with a beautiful syntax and has amazing performance for networked applications. I think it's an ideal choice for any web application or backend.

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Hieu Nguyen

I'm a javascript developer with deep knowledge in the language itself and NodeJS. Recently i started learning Python as my secondary. Java was used in the past, but no longer my primary language

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I love Kotlin for its simplicity and expressiveness. I've programmed in Kotlin professionally, and for me its the language that makes programming `fun` again ;).

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Shankar Shastri

Lover Of Pure Functional Programming.

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Favio Manriquez

PHP was my first language, it has a special place in my heart. I also enjoy teaching and mentoring others, plus it's a great way to refresh knowledge.

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Gabriel Nelle

Since early 2016 I'm a fulltime Go developer. I love it because it's so simple and yet so powerful.

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James George

I'm a Full Stack JavaScript Developer. What made me fell in love with JS is that, it can be used to build absolutely anything.

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Marcos Almeida

I love learning, teaching and using new programming languages. At this moment, writing C#/Typescript most of my working hours.

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Joao Machado

Everyday Python keeps surprising me with the simple! I work professionally with python and I do some side projects as well and I want to share my knowledge with the world! And learn in the way!

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Brian Douglas

Irish software engineer. Focused on the web platform.

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Ivan Ladelschikov

I have over 4 years of using Python in my job and I found it the most readable language ever. I'd like to help people to use the power of the language to write Pythonic code.

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Michael Priestman

I have been writing F# professionally for over a year, including one relatively large project. I like the pragmatic approach it takes to functional programming. I also enjoy working with other similar languages such as OCaml, Elm and Haskell.

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I love writing Go, because of how I feel I can be very productive in it, and it's easy to read other People's code.

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Will Murphy

I'm a former teacher, now an engineer at Pivotal. I'm passionate about learning new programming languages, and helping others learn.

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Juan D. Vega

I love Java and I think it is getting better year after year. I think it takes advantage of the JVM and also has large community with a lot of amazing tools.

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Vitor Fernandes

I'm a fullstack developer working mostly with Node and Angular. I've been tracking TypeScript evolution since version 1.8 and I've used C# for most of my career, so I'm no stranger to types!

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Sirapop Chaimanasuksri

I currently use F# in my projects at work. I'm also experienced in JS and PHP

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Maisam Somji

I'm a full stack developer with a love for all things related to functional programming. I spend the bulk of my time solving complex problems using simple but not necessarily easy solutions.

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Tim Hawes

I love Lisp, and functional programming. I've written a few apps in Clojure, and some with heavy Java interop.

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Benjamin Earl

Javascript is my native language, still working on my English.

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Michael Stephens

I am a backend engineer that absolutely love's ruby. I've been doing it for over 6 years and love how easy to pick up it is but has all the intricacies to keep you digging for more knowledge

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Aleksander Heintz

I love programming, and do it both professionally and as a hobby. At work I do most javascript and typescript, but I've also done a lot of F# and C#.

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Raymond Price

Professional developer for the past 7 years, primarily in JS and secondarily in C# and Typescript.

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Yash Kulshrestha

Go is somewhat of a new language for me and I've been trying to learn more and more of it. I got a taste of it through reading some Docker code and I find it to be a better C, which was something I wrote in a past life.

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Richard Leurs

My love for technology, design and learning made me choose to be a developer. Building professional and personal projects with C# made me really like this fully-featured and expressive language.

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Marcus Bergenlid

I'm a software engineer working professionally in Java, I love to learn new languages and to improve my coding style. My side projects are usually focused around learning some new language or technology.

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Zak B. Elep

I've written Perl 5 for quite a while now at various $WORK, and worked on quite a few FOSS projects with it as well. I'd love to help other people on learning Perl 5, as well as learn from them along the way.

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Thayne McCombs

Although rust does have a steeper learning curve than many other languages, once you understand it, it is a truly incredible language.

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Caleb Boylan

I am a student and spend most of my time hacking on personal projects. I enjoy Rust as it makes some of the more painful parts of programming easier to handle.

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Tiago Antao

Did Prolog professionally a long time ago. Still think its the best language in the world!

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Rhys Brooker

Front end developer working with JavaScript and ReactJS. Self taught developer, I enjoy teaching and helping others learn a new language. Contact me on Twitter if you would like more help, I love to network and help.

Photo of Oliver Radini

Oliver Radini

I'm a Javascript developer. I've been working with Javascript for around 5 years now. I really love to help beginners learn to program, and show people what a great language javascript can be.