Prof. Jan Krejsek is a leading Czech expert in clinical immunology with over 40 years of experience. A professor at Charles University and former head of the Institute of Clinical Immunology in Hradec Králové, his work focuses on immune resilience and inflammation—key areas in longevity science.

Author of the award-winning Klinická imunologie and Imunologie člověka, he has published nearly 200 scientific papers and is widely recognized for advancing our understanding of the immune system.

As our scientific advisor, Prof. Krejsek brings cutting-edge knowledge to help shape strategies for healthy aging and long-term vitality.