Jaroslav has been in the photovoltaic industry for over 14 years, where he has worked in various positions. He was first responsible for sales activities in Eastern Europe and later for service and technical support. In the past he also co-owned a company specialized in service, repair and testing of photovoltaic inverters. In cooperation with the University of Brno and EU support he developed software for prediction of the production PV plants. Jaroslav currently lives just outside Brno in the Czech Republic and is looking forward to new challenges in photovoltaics.