Joonas Lehtinen

1. CONFESS_2013

   Austria Austria, Vienna

   3rd–5th April 2013

   Joonas Lehtinen spoke

2. Jfokus 2013

   Sweden Sweden, Stockholm

   4th–6th February 2013

   Joonas Lehtinen spoke

3. Devoxx 2012

   Belgium Belgium, Antwerp

   12th–16th November 2012

   Joonas Lehtinen spoke

4. JavaOne 2012

   United States United States, San Francisco

   30th September to 4th October 2012

   Joonas Lehtinen spoke

5. OSCON 2012

   United States United States, Portland

   16th–20th July 2012

   Joonas Lehtinen spoke

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