Jan KRAL, M.D., Ph.D.,MSc., MBA

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Chief Gastroenterologist, Prague

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About the doctor

With an outstanding background in gastroenterology, advanced endoscopy, and metabolic medicine, Dr. Král combines cutting-edge clinical expertise with a strong academic and research foundation. Trained at leading European and U.S. institutions, he is known for his meticulous, safety-first approach, clear communication, and genuinely caring manner, ensuring that every patient feels informed, confident, and in good hands.

Education

2006 – 2012 Third Faculty of Medicine, Charles University in Prague, Doctor of Medicine
3/2016 – 7/2016 Royal College of Surgeons in Ireland, Dublin, Ireland, Ph.D. Fellowship, Colorectal Cancer
2012 – 2020 First Faculty of Medicine, Charles University in Prague, Ph.D. study, Colorectal Cancer
2021 – 2022 Cambridge Business School, MBA in Healthcare System
2024 EDU Effective, MSc. in Artificial Intelligence

Employment History

August 2012 – December 2024 Institute for Clinical and Experimental Medicine, Prague, Physician at the Department of Hepato-Gastroenterology, Transplant Centre
January 2014 – present Institute of Experimental Medicine AS CR v.v.i, EU Center of Excellence, The Czech Academy of Sciences, Prague / Researcher at the Department of the Molecular Biology of Cancer (Laboratory of the Genetics of Cancer)
May 2015 – 2020 Thomayer Hospital, Prague, Physician at Internal Medicine Department, Emergency Unit
January 2019 – present Medic Kral s.r.o., Private Gastroenterological Center, Prague, Physician
August 2022 – present Second Faculty of Medicine, Charles University, University Hospital in Motol and Homolka, Prague, Physician, Academic teacher
September 2024 – present Department of Internal Medicine, University Hospital Motol and Homolka, Prague, Physician – unit for metabolic endoscopy
September 2024 – present Chief Medical Advisor at Maia Labs

Professional Activities

2025 – present Czech Educational and Research Foundation, Founder
2025 – present 3NDO s.r.o, Founder and CEO, Endoscopical 3D printing project
2025 – present Czech Educational and Research Foundation (cerfglobal.org), Founder
2023 – present ESGE Social Media Working Group Member
2022 – present ESGE Bariatric Endoscopy TaskForce Member
2022 – present Member of the Colorectal Cancer Screening Council of the Ministry of Health of the Czech Republic
2019 – present Czech gastroenterology association, Member of the presidium
2016 – 2024 Friend of Young Talent Group for the Czech Republic, United European Gastroenterology, representative of the Czech Republic
2005 – present Medic Kral s.r.o., Gastroenterological Center, CEO

Foreign Internship

9/2023 Bariatric Fellowship at Cleveland Clinic, Cleveland, USA
5/2023 Bariatric Fellowship at MAYO Clinic, Rochester, Minnesota, USA
10/2021 Bariatric Fellowship at Brigham and Women’s Hospital, Harvard University, Boston, USA
9/2021 Endoscopy Fellowship at Hospital Erasme Brussel, Belgium

Clinical Trials and Grants

SHP647-303 FIGARO UC – sub-investigator
EndoZip study – sub-investigator
CLD-008 DiaGone – principal investigator
Pretti Trial – Endomina – principal investigator
CLYS006X2202 Novartis – principal investigator
HP301, EE301 Phantom – principal investigator
GAČR GA22-05942S – co-proposer of the grant; co-investigator
NV16-27653A – sub-investigator
NU21-01-00096 – sub-investigator
LX22NPO5104 – sub-investigator

Courses and Education

2024 World Obesity Organization Certification (SCOPE Certification)
2022 – 2023 Obesity: Etiology, Prevention and Treatment 2022, ABOM Columbian University Course
2020 Certified Nutritional and Diet Advisor
2019 Gastroenterology Board Certification, Upper and lower GI Endoscopy Licence
2019 Dr. Bares Award – 2nd place
2017 Design and Make Infographics, by Michigan State University, Coursera
2016 Nature MasterClass, Nature Publishing, Dublin
2015 Statistic data Analysis in Medicine, Acrea, Prague
2015 Introductory Human Physiology by Duke University of North Carolina, Coursera
2015 Epigenetic Control of Gene Expression by The University of Melbourne, Coursera
2014 – 2016 UEG Postgraduate Teaching Programme (3-Year Curriculum)
2013 – 2016 UEGW Postgraduate Course (Berlin, Vienna, Barcelona, Vienna)
2014 – 2016 UEG Summer School, Prague
2014 UEG Young Investigator Meeting, Vienna
2013 Course of statistics in biomedicine research
2003, 2004 Pan European Education Project (Sheffield, Bucharest)
1992 – 2005 School of music (piano)