Martin Cremer is working as a Software Architect for a company in the finance sector. His work focuses on maintaining and developing reference architecture for web-based enterprise applications with Vaadin as well as supporting developers in their daily work.

Born in the eighties, he grew up with the Internet and started exploring its possibilities very early. It was a short step from building static websites to first dynamic web applications. Within about a decade of experience on web development, he worked as a freelance web developer for an agency and later independently, learned application development, studied business information technology and worked as application developer and software architect.

Risto Yrjänä has several years of experience working as a Vaadin Expert at Vaadin. His interests cover UI-design, web technologies, and functional programming.

Jonatan Kronqvist, M.Sc., has been working at Vaadin Ltd, the company behind the Vaadin framework, since 2006. During this time, he has been a Vaadin consultant, a Project Manager, and a core developer of the Vaadin framework. Currently he spends his time focusing on add-ons and tools for easing development with Vaadin.

Before going fulltime on Vaadin, he worked on many different projects ranging from advanced 3D graphics at a CAD software company to leading the development of a popular computer game for children.

Michael Vogt started as a WebObjects developer in the year 2000 at Apple Germany . Since then, he has worked in many different companies and countries, mostly as a freelancer on GWT projects. Currently he works in the services department of Vaadin.