He is leader of the Light and Colour Science Research Laboratory at the University of Pannonia, Veszprém, Hungary. He holds a PhD in information Sciences (2012). He is expert in new colour quality metrics based on Harmony Rendering of light sources. He has participated as expert in EU projects SSL4EU, LED4ART and HI-LED. His fields of research are colour quality of light sources, mesopic vision, street lighting, human centric lighting and museum lighting. He has participated in the reconstruction of the LED lighting of the frescoes of the Sistine Chapel.