Mattias Karlsson

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Mattias Karlsson


Mattias spends most of his time working with software development in the financial sector as well as leading a Java User Group in Stockholm, Sweden. Mattias has worked with OO software development since 1993. Through the years he has gained experience from many different roles, including developer, architect, team leader, coach, manager, and teacher. In these roles he receives consistent feedback about his ability to inspire and motivate the people he works with. The JUG holds six to eight fully booked meetings per year with more then 200 participants at every meeting. Mattias is also one of the organizers behind Jfokus. Jfokus is the largest Java-focused annual conference in Stockholm.

In his spare time, Mattias can be found playing with his children or riding his motorcycle, as well as changing underprivileged people's lives by building houses with Habitat for Humanity. Mattias also supports Kiva, a person to person micro-loan organization. Join his effort to improve the world at

Contact Info

mattias.g.karlsson at gmail dot com

A detailed resume of Mattias professional experience can be found at LinkedIn:

and support my team at Kiva

and Jfokus the conference



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