Michał Karzyński has a scientific research background in the areas of molecular biology and bioinformatics. He is currently working as a systems architect, full-stack web developer, and a consultant, specializing in dynamic languages, particularly, JavaScript and Python.

Michał loves designing and implementing large, ambitious, and scalable web applications. Over the years, he has gained experience in and an expert knowledge of numerous MVC frameworks in JavaScript, such as Ember.js, AngularJS, and ExtJS, and Django, Rails, Flask, Express, and CodeIgniter on the server.

He also loves Linux and is an expert in server administration and Cloud computing. Last year, he wrote a book on server administration called Webmin Administrator's Cookbook, Packt Publishing. As a consultant, Michał was responsible for designing and deploying the Cloud infrastructure for a number of companies in Silicon Valley and around the world.

Michał is currently employed as a software engineer at Intel. He also runs the consulting company Atarnia.com. He writes a blog, which can be found at http://michal.karzynski.pl.

David Sevcik is a full-stack developer with many years of experience with Ruby and JavaScript on both frontend and backend. He applies his knowledge for projects in various industries, such as project management and automotive and customer research for companies based in the UK and the Czech Republic. He is an active member of open source communities and has contributed to several Ember projects.