Dr. András Ittzés' first own research topic was the statistical process control for quality assurance in food industry. Later he applied his expertise, classical and multivariate methods of mathematical statistics in areas of agriculture, horticulture, mental health etc. He was also engaged in effectiveness testing of training programs and has experience in qualitative methods, as well. As a mathematician he teaches mathematical and statistical subjects. He has been the co-worker of several researchers from different fields of agriculture, food science and other areas.