Helena Tlaskalova-Hogenova, MD, DSc is professor of Immunology of Charles University, in Prague. She graduated at School of Medicine, Charles University, then initially trained for 2 years in internal medicine, followed by a PhD in Immunology (under supervision of Prof. Jaroslav Sterzl, one of the founders of modern developmental immunology) in Institute of Microbiology, Academy of Sciences of the Czech Republic, where she is working as a researcher. Her main research interest is mucosal immunology and gut immunopathology. Using gnotobiotic animal models she was studying how microbiota influence the development of the immune system and how commensal bacteria participate in pathogenesis of autoimmune, inflammatory and neoplastic diseases. From 1999-2004 she was a head of the Laboratory of Specific Cellular Immunology, from 1991 till 2003 she served as the head of the Division of Immunology and Gnotobiology in Institute of Microbiology. In 2001 she became a professor of immunology in 1st Medical Faculty, Charles University, Prague.

She was elected as a member of Council of International Union of Immunological Societies (1996-2003), she was a member of External Advisory Group of European Committee – Life Sciences (1999-2005), she is a member of the Science Advisory Committee of Old Herborn University Foundation (2005 till now), she participated in EASAC activities.
She was a president of Czech Immunological Society (1995-1999), she is a member of the Committee of the Czech Immunological Society and Committee of the Czech Society for Probiotics and Prebiotics.

She is a member of several editorial boards (e.g. Faculty 1000 Medicine, Mucosal Immunology, Folia Biologica, Alergie). She was a member of organizing committees of several international meetings (e.g. chairperson of Organizing Committee of the 7th International Congress of Mucosal Immunology, Prague, a member of organizing committee of International Autoimmunity Congresses). She published over 300 articles in peer-reviewed journals (over 5000 citations, h-index=37). She obtained several awards and honours, e.g. she was elected as a member of Learned Society of the Czech Republic and elected as a foreign member of Royal Society for Arts and Science in Gothenburg, she was awarded by J.E. Purkyně Medal, Nihon University Medal.