Generation ’69, Faculty of Electrical Engineering and Computing ’93, entrepreneur since ’95, bald since ’00. Most of the career, his core business have been IT services mainly based on opensource solutions and tools in all environments. System, network and cloud administration, R&D, consulting, education, 3D print. Opensource evangelist, geek, vice-president and president of HULK for several terms, co-organizer of DORS / CLUC conferences, 20+ years of lectures and workshops at various conferences. Advocate and provider of refurbished IT equipment. Outside of regular work STEM education and projects, active in local government in the field of economy and development.