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Dr. Simeon Jaggernauth

Dr. Simeon Jaggernauth DO;  Scientist, Innovator, Medical Oncologist and adjunct professor of Oklahoma State University Centers for Health Sciences, believes it’s absolutely important for patients to learn as much as they can about their illness.


Dr. Jaggernauth (aka Dr. Jag) earned his doctorate in medicine from Oklahoma State University Center for Health Sciences College of Medicine. He then completed an internship at OSU Medical Center, his internal medicine residency at the University of Oklahoma, and a subspecialty fellowship in medical oncology at the University of Louisville in Kentucky.


Dr. Jag is an allopathic board certified medical oncologist and internal medicine physician by the American Board of Medical Specialties (ABMS). He is also board certified in mechanical engineering by the American Society of Mechanical Engineering (ASME) and worked in research and development prior to becoming a physician. He developed systems for water emulsion and solid particle detection counters for high pressure hydraulic systems used by Union Pacific Railroads® and NASA®.  He was instrumental in the software and hardware design, data analysis and testing for these systems.  The co-invention of the Digital Moisture Alert® (dMA) and the Ferrous Contam Alert® (fCA) led to patents granted for both devices. U.S.Patent (#5,563,337).


Dr. Jag has served as principal investigator and sub investigator for multiple clinical trials on pharmaceutical agents used to treat metastatic breast, colon and lung cancers. Currently, Dr. Jag serves as the Program Director for the Oklahoma State University Medical Oncology Fellowship Program, and is responsible for training doctors to become medical oncologists. He also serves as the Chairman of the Cancer Committee at Southwestern and is a member of the Medical Executive Committee overseeing the operations of the hospital.


Prior to joining CTCA, Dr. Jag practiced medical oncology at an outpatient cancer clinic in the Tulsa area. He also serves as a medical consultant on the scientific advisory board of several biotech companies including Genentech, General Electric Healthcare, Bristol-Myers Squibb, Celgene, NovoCure and MEDSYNC Research. He is also the Chairman and Founder of the non-profit organization, the H8 Cancer Foundation (


Dr. Jag has presented throughout the country as a speaker on new oncologic treatments available to patients. He has been published in the Journal of Clinical Oncology and Breast Cancer Wellness Magazine and has also been featured in Oklahoma Magazine, FOX, ESPN, Good Morning Texas on the Dallas ABC affiliate, and Kansas City Live. An active member of the community, Dr. Jag has been a guest speaker for the American Lung Association Lung Force, volunteered for the Tulsa Project Woman, and raced in the local Susan G. Komen Race for the Cure®. He was also featured in the Tulsa World with the debut of the Ken Burns film “The Emperor of All Maladies” when the PBS series aired nationwide.


In his spare time he enjoys developing medical apps for iOS and Android platform devices, including publishing apps in the iTunes App Store® and Google Play® for computing chemotherapy doses (iChemo) to prevent medical errors in oncology.


Dr. Jag loves spending time with his wife of over 23 years and their four children. He also enjoys playing video games with his kids, wake surfing, running, making movies with his drones, and high speed racing.


You can connect with him on Facebook by going to or on Twitter @DoctorJAG.



Dr. Jag's affinity for speed and racing make the partnership between H8 Cancer Racing and H8 Cancer Foundation seem like a match made in heaven.

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