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Strategic Direction

Board of Directors


Mr. Bolton, has been Chief Administrative Officer and Vice President of Administration at Mayo Clinic since 2013. Mr. Bolton served as the Chairman of Department of Finance at Mayo Clinic and served as its Chief Financial Officer since 2002. He is responsible for strategic alliances and business development, treasury and investment services, corporate accounting and external reporting, financial planning and analysis, patient financial services, supply chain, risk financing, contractor and payer relations and internal audit. Prior to joining the Mayo Clinic, he held various finance-related positions at Carnegie Mellon University from 1984 to 2002 including Vice President for Business and Planning and Chief Financial Officer. He worked at the University of Pittsburgh from 1981 to 1984, and the City of Pittsburgh from 1979 to 1981. He serves as a Director of VHA Inc. He has been Trustee of Mayo Clinic since 2011. He serves as Internal Trustee of Mayo Clinic Health Systems. Mr. Bolton received his Bachelor's degree from Pennsylvania State University and his Master's Degree in Business Administration from the University of Pittsburgh.


Dr. Ehman is Professor of Radiology at Mayo Clinic. He is an inventor, holding more than 70 U.S. and foreign patents. He was awarded the Gold Medal of the ISMRM in 1995, the Outstanding Researcher Award of the RSNA in 2006, and was elected to the Institute of Medicine of the National Academies of Science in 2010.


J. William Charboneau, M.D., is a professor emeritus of radiology at Mayo Clinic College of Medicine in Rochester, Minn. He is an internationally-recognized authority on advanced diagnostic and interventional radiology techniques using a variety of technologies. Dr. Charboneau is a fellow in the American College of Radiology and the Society of Radiologists in Ultrasound. He is a recipient of multiple awards including the Lifetime Achievement Awards from the Society of Abdominal Radiology as well as from the Society of Radiologists in Ultrasound. Dr. Charboneau is an active lecturer and educator, presenting at more than 175 national and international meetings and serving as a visiting professor at numerous universities. Included in Dr. Charboneau’s bibliography are more than 300 scientific publications, presentations, abstracts and book chapters. He has co-edited several books, most notably Diagnostic Ultrasound, a 2-volume comprehensive text with more than 100 authors, now in its 4th edition. The New England Journal of Medicine deemed the text the authoritative reference book in ultrasound imaging.


As CEO of Engineering Health (EnHealth) and executive dean for Engineering Medicine (EnMed) at Texas A&M and Houston Methodist Hospital, Dr. Roderic I. Pettigrew’s newest undertaking represents the world’s first initiative to holistically integrate engineering into all of the colleges of a university that are a part of the health care enterprise. EnMed is the first constituent initiative, creating a new school that integrates engineering into medical training to develop a new kind of engineering-minded physician, or Physcianeer, who invents solutions to healthcare problems.  Of note, an invention is required of each EnMed graduate who will earn both MD and MEng degrees in 4 years.


Dr Pettigrew’s expertise is in health technologies emerging from the convergence of the life sciences, the physical sciences and engineering.  An MIT graduate (PhD ’77) who finished his medical training at UCSD (’83), he is known internationally for his pioneering work involving four-dimensional imaging of the cardiovascular system using magnetic resonance (MRI).


He has been elected to membership in the National Academy of Medicine, the National Academy of Engineering, the National Academy of Inventors and the National Academy of Sciences, India. Other awards include the Pierre Galletti Award (highest honor) of the American Institute of Medical and Biological Engineering, the Inaugural Gold Medal of the Academy of Radiology Research, the Distinguished Service Medal of the International Society of Magnetic Resonance in Medicine, the Spirit of the Heart Award of the ABC, the Pritzker Distinguished Achievement Award of the Biomedical Engineering Society, the Gold Medal of the Radiological Society of North America, and the Arthur M. Bueche Award of the National Academy of Engineering.


James A. Rogers III, (Jim) is the Chair, Mayo Clinic Department of Business Development, which combines the activities of Mayo Clinic Ventures (technology transfer and venture investing) with the Office of Business Development (strategic partnerships) to form one portal to Mayo Clinic for licensing, start-ups, venture investing, joint ventures and mergers and acquisitions. In addition, he holds an appointment within the Mayo Clinic Legal Department and is responsible for overseeing Mayo’s patent portfolio. Jim serves on several boards, including Mayo Collaborative Services, LLC, the Rochester Area Development, Inc. and Resoundant, Inc. He also sits on several committees within Mayo Clinic, including the Medical-Industry Relations Committee, the Mayo Clinic Administrative Team Committee and the Investment Committee for Mayo Clinic’s $100 Million Co-Investment Venture and Growth Fund. Prior to joining Mayo Clinic, Jim worked at 3M Company and the law firm of Dorsey and Whitney, LLP.  He received his B.S. degree in Biology at the University of Iowa in 1989 and his J.D., with High Distinction, at the University of Iowa, College of Law in 1991. 


Mr. Torborg currently is a Senior Investment Officer with Mayo Clinic's Treasury Services where is oversees venture capital relationships. Prior to joining Treasury Services, Mr. Torborg helped manage Mayo Clinic's internal startup projects and venture capital investments through the Technology-Based Ventures program. Mr. Torborg has previously served as director on a number of corporate boards including Resoundant, Torax Medical, Naviscan Pet Systems, Nevro Corporation and FIOS Therapeutics. Prior to joining Mayo, Mr. Torborg held positions at Guidant Corporation and Phelps Dodge Corporation. He earned a B.S. degree in BCIS at St. Cloud State University and his M.B.A. from the Carlson School of Management at the University of Minnesota.


Mary Jo Williamson is the Vice Chair for Administration at Mayo Clinic, and the Chief Administrative Officer of the Mayo Clinic Health System.  She previously served as the Chair for Practice Administration at Mayo Clinic, Director for the Mayo Clinic Care Network, as well as roles as Vice Chair for Mayo Clinic Health System Administration providing operational and programmatic leadership to on-going initiatives and new strategic directives across the twelve sites.

Her 25-year career with Mayo Clinic has provided opportunities ranging from developing the Ask Mayo Clinic nurse triage service, serving as Vice Chair to Contracting and Payer Relations, Vice Chair of Mayo Clinic Health System to various leadership roles at all three Mayo Clinic locations.  In addition to her Mayo Clinic responsibilities, Mary Jo currently serves as a board member of the Minnesota Chamber of Commerce and a board member of Resoundant, and has previously served as a board member of CentraCare Health System in St. Cloud Minnesota.  Prior to working for Mayo Clinic, Mary Jo worked in the Strategic Services Division of Anderson Consulting and as Director of Budgeting for Rose Medical Center in Denver, Colorado.


Ms. Williamson has served on the Mayo Clinic Management Team, Mayo Clinic Clinical Practice Committee, Midwest Executive Operating Team, and Mayo Clinic Administrative Team and is a member of the Mayo Clinic Board of Governors and Mayo Clinic Board of Trustees.  Mary Jo is a graduate of Arizona State University with a Bachelor of Science in Finance and Accounting and received a Master of Business Administration from Southern Methodist University in Dallas, Texas. 

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