He deals with effective models of teacher training, neuropedagogy, and values education. His professional interests are the history of education and training, the development of education abroad, and school management, in which he focuses on the concept of quality and its evaluation.
Between 1981 and 1998, he worked as assistant professor and then associate professor for the History of Education and Comparative Pedagogy at the Faculty of Arts of Charles University in Prague, then headed the Department of Pedagogy at the Faculty of Education of Charles University. From 1996, he worked at the Institute of Languages and Humanities at the University of Pardubice, where he later became the head of the Department of Educational Sciences and vice-dean for external relations. He also worked as a requested advisor to the Minister of Education.
Karel is the author of over 200 original scientific works and more than 300 articles in the Czech Republic and abroad, and he often speaks at conferences. He actively contributed to the lifelong education of teachers. Nowadays, he likes spending time with his three grandchildren, gardening and hiking, and is also interested in alpine plants.