Professor and Director, Center of Life Science Research, Institute of Atherosclerosis, Taishan Medical University, Taian, China President of International Society of Hydrogen Medicine and Biology (ISHMB)

1998-2001 Post-doctoral Scientist in Molecular Medicine, Columbia University at New York, NY
2001-2008 Senior Investigator, VA Medical Center at Long Beach, University of California(Irvine), CA
2009- Professor and Director, Center of Life Science Research, Institute of Atherosclerosis, Taishan Medical University, Taian, China

Professor Emeritus of Nippon Medical University, Tokyo, Japan Visiting Professor of Juntendo University, Tokyo, Japan President of Japanese Society for Medical and Biological Research on Molecular Hydrogen (JSBMH2) Honorary president of International Society of Hydrogen Medicine and Biology (ISHMB)

1970-1974 Department of Chemistry, Faculty of Science, Tokyo University, Japan
1974-1979 Graduate School of Pharmaceutical Sciences, Tokyo University, Japan
1979-1981 Research associate in Gunma University Graduate School of Medicine, Japan
1981-1985 Research Associate, Biocenter, University of Basel, Switzerland
1985-1994 Lecture and Associate Professor of Biochemistry, Jichi Medical School, Japan
1994-present Professor, Department of Biochemistry and Cell Biology, Graduate School of Medicine, Nippon Medical School, Japan

Professor, Department of Environmental Medical Biology, Wonju College of Medicine, Yonsei University, Professor of Faculty of Naval Medicine, Second Military Medical University, Shanghai, China Chinese Hydrogen BioMedical Association (CHMBA) Honorary President of International Society of Hydrogen Medicine and Biology (ISHMB)

Dr. Xuejun Sun has received his PhD in Second Military Medical University during the period of 1998. Currently, he is working as Adjunct Faculty Member at Loma Linda University. He has successfully completed his Administrative responsibilities as Head of Department of Diving Medicine. He has authored Hyperbaric Oxygen for Neurological Disorders in China research articles/books.

Kyoto University Medical School; Kyushu University School of Pharmacy
Associate Professor, Laboratory of Pathophysiology, Graduate School of Pharmaceutical Sciences, Kyushu University, Japan

1979-1981 Assistant professor, Department of Physiology, Faculty of Medicine, Kyushu University, Japan
1986-1990 Postdoctoral Fellow, Department of Cardiac Physiology, The Rockefeller University, New York, USA.
1990-1996 Research Fellow, Department of Medical Biophsysics, Kanazawa University, School of Medicine, Japan
1996-1999 Assistant Professor, Department of Physiology, Faculty of Medicine, Kyushu University, Japan
1999-present Associate Professor, Laboratory of Pathophysiology, Graduate School of Pharmaceutical Sciences, Kyushu University, Japan

Professor, Department of Environmental Medical Biology, Wonju College of Medicine, Yonsei University

1987-1993 M.B. Medical Science, Wonju College of Medicine, Yonsei University, Wonju, Korea
1995-1998 Ph.D. Department of Parasitology, Graduate School of Wong Wang College of Medicine, Iksan, Korea
1993-1995 M.P.H. Department of Medicine, Graduate School of Yonsei University, Seoul, Korea
2001-2005 Instructor, Department of Parasitology, Wonju College of Medicine, Yonsei University
2005 -2008 Assistant Professor, Department of Parasitology, Wonju College of Medicine, Yonsei University
2008-2013 Associate Professor, Department of Environmental Medical Biology, Wonju College of Medicine, Yonsei University
2008 – present Head Professor, Department of Environmental Medical Biology, Wonju College of Medicine, Yonsei University
2010-present Senior Research Fellow, Institute for Poverty Alleviation and International Development (IPAID), Yonsei University
2010 – present President of The Korean Water Society
2013- present Full Professor, Department of Environmental Medical Biology, Wonju College of Medicine, Yonsei University
2011– 2013 Project Manager of the Project “Health Services Improvement in Tikapur”. KOICA, Yonsei University & Ministry of Health and Population of Nepal
2014–present Director of Roseclub International (Korean NGO)

Molecular Hydrogen Institute, USA;
Center of Experimental Medicine, Institute for Heart Research, Slovak Academy of Sciences, Bratislava, Slovak Republic

Executive Director of the science-based nonprofit Molecular Hydrogen Institute. His background is in biochemistry and exercise physiology. He was a 1-year Adjunct Instructor of Physiology and interned at Nagoya University in the department of Neurogenetics to research the molecular mechanisms of hydrogen gas on cell signaling pathways. He collaborates and published scientific articles with researchers at home and abroad, and helps advance the education, research, and awareness of hydrogen as a therapeutic medical gas