Jeroen Baten is author of at least five books about Open Source. He has his own company I2RS. Jeroen is specialised in Linux and Open Source and a well known speaker in the Netherlands. His best known book is called “Linux in bedrijf”. He is initiator and member of "Vereniging Open Source Nederland (VOSN)" and " Open Source Business Club (OSBC)". He also wrote educational books for Linux Professional Institute (LPI level 1 and 2).