Our key officers and leaders are involved in systemwide decision-making for the breadth of operational and strategic issues for Intermountain Healthcare. These leaders serve on a variety of committees and councils, including Intermountain's Operations Council.


A. Marc Harrison, MD, President and Chief Executive Officer

Under Dr. Harrison’s leadership, Intermountain is continuing its focus on implementing best clinical and operational practices designed to advance its mission of helping people live the healthiest lives possible. A specialist in pediatric critical care, Dr. Harrison held leadership positions at Cleveland Clinic prior to joining Intermountain. He most recently served as Chief of International Business Development for Cleveland Clinic, developing and implementing international strategy, and as CEO of Cleveland Clinic Abu Dhabi, where he oversaw the establishment of 12 Institutes, five centers of excellence, and more than 30 medical and surgical specialties. Dr. Harrison earned an undergraduate degree at Haverford College and a medical degree at Dartmouth Medical School. He completed a residency and an internship in pediatric critical care through the University of Utah School of Medicine, working primarily in the critical care units of Intermountain’s Primary Children’s Hospital. Dr. Harrison later received a master’s of Medical Management from Carnegie Mellon University and completed additional study in management at Harvard Business School.

Rob Allen

Robert Allen, Senior Vice President and Chief Operating Officer​

Rob Allen is an accomplished healthcare executive with over 25 years leadership experience including Region Vice President, Region Operations Officer, CEO and Administrator in highly competitive rural and urban markets.  He re-joined Intermountain Healthcare in 2007.  He has served as CEO of hospitals in Wyoming, New Jersey, Massachusetts and Utah.  He has broad experience leading in a variety of settings including for-profit, not-for-profit, established hospitals, new acquisitions, and start-up endeavors.  He is a Fellow of the American College of Healthcare Executives, received his MBA from Utah State University and his Bachelor of Science Degree in Operations Management from Brigham Young University. He is a two time recipient of Community Health System’s Outstanding Achievement Award.  Rob has actively participated in community and healthcare organizations including serving twice as the chairman of the Wyoming Hospital Association, serving on various Chamber of Commerce Boards, and numerous other foundation and service boards. He currently serves on the boards of the Utah Hospital Association, the Utah TeleHealth Network and the People’s Health Clinic.

Mark Briesacher, MD, Senior Vice President of Clinical Integration

Mark Briesacher, MD, Senior Vice President, Chief Physician Executive and President of Intermountain Medical Group

Dr. Briesacher led the implementation of KidsCare, served as a Region Medical Director, and then as Senior Administrative Medical Director for the Intermountain Medical Group. Recently, he has led Intermountain’s implementation of iCentra, our clinical and business information systems.

Dr. Briesacher served on the Intermountain Board of Trustees from 2005 through 2008, and is currently a member of the SelectHealth Board of Trustee and the Intermountain Medical Group Board. A native of St. Louis, Missouri, he received his Bachelor of Arts in Chemistry at Central Methodist College and his Doctor of Medicine from the University of Missouri-Columbia. Dr. Briesacher then moved to Salt Lake City and completed his internship and residency in Pediatrics at the University of Utah and Primary Children’s Hospital.

Mark and his wife, Lori, have three children and enjoy tennis, hiking, skiing, and a variety of sports.

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Suzie Draper, Vice President, Business Ethics and Compliance

Ms. Draper's professional healthcare career spans clinical settings to Corporate Compliance and Privacy, Medical Records, and Physician Services. She co-founded Intermountain's Compliance Program in 1997 and has overseen its development and expansion. She has served with a number boards and is a member of the Presbyterian Healthcare Services Compliance and Audit Committee. Ms. Draper is a member of the American Hospital Association Compliance Officer's Roundtable. She completed a bachelor's degree in nursing and received her MPA.

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David L. Flood, President of Intermountain Foundation and System Chief Development Officer

Mr. Flood provides leadership for all philanthropic programs at Intermountain Healthcare, overseeing the Intermountain Healthcare Foundation in conjunction with the foundation's volunteer Board of Trustees. He serves as a current member and past Board Chair of the Association for Healthcare Philanthropy.

Prior to his current position, Mr. Flood held leadership roles in higher education and healthcare, most recently as President of Meridian Health Affiliated Foundations in New Jersey, where he was named the state's Outstanding Professional Fundraiser by the Association of Fundraising Professionals.

He received bachelor and master degrees from Seton Hall University where he currently serves on the Board of Regents.


Douglas J. Hammer, Vice President and General Counsel

Mr. Hammer is responsible for the organization and management of legal and government relations, focusing on corporate law, integrated delivery systems, complex transactions, antitrust, tax, and health policy. He has served on the Board of Directors of the America Health Lawyers Association and was named an AHLA Charter Fellow in 2005. Mr. Hammer currently serves on the Emeritus Alumni Board of the University of Utah and has been an adjunct professor for both the University of Utah School of Medicine and Brigham Young University Marriott Graduate School of Management. He received his juris doctor with an emphasis in health services research from the University of Utah after completing a master's in public health from the University of Michigan.

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Kim Henrichsen, Senior Vice President, Clinical Operations and Chief Nursing Executive

Ms. Henrichsen sets strategy for clinical and professional services across Intermountain, including nursing, clinical programs, and clinical services. Previously Ms. Henrichsen was CNO of Intermountain's Salt Lake area facilities. She has also served as CNO and Operations Officer for Intermountain's Southwest Region, Director of Cardiovascular Services at Dixie Regional Medical Center, and Manager of adult critical care at Utah Valley Regional Medical Center. She completed both a bachelor's degree in nursing and a master's in adult continuous care at the University of Utah.


Greg Johnson, Vice President, Finance

Mr. Greg Johnson serves as the Vice President Finance for Intermountain Healthcare and is responsible for a significant portion of the financial operations as well as other functions across the integrated healthcare system. Greg oversees Accounting, Budgeting, Business Applications, Capital Investment, Compliance, Financial Planning, Internal Audit, and Treasury operations. Prior to joining Intermountain in 1992, Greg worked for seven years with Ernst & Young in the Long Beach, California and Salt Lake City, Utah offices where he had significant experience in financial accounting and reporting in the healthcare and manufacturing industries.  

Greg is a Certified Public Accountant and has a Bachelor’s degree in Accounting from Brigham Young University and a Master’s degree in Business Administration from the University of Utah.


Terri Kane, Associate Chief Operating Officer - Clinical Operations

Ms. Kane has more than 30 years of experience in nursing, hospital operations, corporate operations, and executive leadership. Ms. Kane completed her B.S. in Nursing at Weber State University and completed an MBA at the University of Phoenix. She has received multiple awards and recognition for her leadership.


Greg J. Matis, Deputy General Counsel

In addition to Intermountain duties, Mr. Matis is adjunct professor at J. Reuben Clark Law School at BYU and serves on the Board and Executive Committee of the Economic Development Corporation of Utah. Previously, Mr. Matis served as in-house counsel to several organizations; associated with Kimball, Parr, Waddoups, Brown & Gee; and clerked at the Tenth Circuit U.S. Court of Appeals. Mr. Matis graduating cum laude with a B.A. from Brigham Young University and with honors from the University of Chicago Law School, where he was on the managing board of the University of Chicago Law Review.


Mikelle Moore, Senior Vice President, Community Health

Ms. Moore leads Intermountain’s prevention and community health improvement efforts and oversees our population health efforts. Prior to her current position, she served as Administrator of LDS Hospital. She joined Intermountain as the Administrative Fellow in 1998, serving as Assistant Administrator and Operations Officer in the Central Region. She is a Fellow in the American College of Healthcare Executives and serves on the national Advisory Board for the Association for Community Health Improvement. She is active in many community initiatives, serving on several not-for-profit boards. Ms. Moore earned her master’s degrees in business administration and health services administration from Arizona State University, and a bachelor’s in physiology from the University of Arizona.


Greg Poulsen, Senior Vice President, Policy

Mr. Poulsen has direct responsibility for strategic planning, research and development, marketing, and payer contracting. He is a frequent participant in national and international health policy development and has served as a consultant to the Swedish Health Minister and the British National Health Service. Mr. Poulsen is a Commissioner for the Commonwealth Fund in Washington, DC., serves on several boards, and is Chair of the Utah Health Data Committee Consumer Information Council and Vice Chair of the Utah Foundation.


Marc Probst, Chief Information Officer and Vice President

Mr. Probst is the Chief Information Officer and Vice President at Intermountain Healthcare, an integrated delivery network (IDN) based in Salt Lake City, Utah. Mr. Probst has been involved with Information Technology and Healthcare services for the past 32 years. He has served on the Federal Healthcare Information Technology Policy Committee which assisted in developing HIT Policy for the U.S. Government. Prior to Intermountain, Mr. Probst was a Partner with two large professional service organizations; Deloitte Consulting and Ernst & Young, serving healthcare provider and payer organizations. Mr. Probst has significant interest in the use of information technology to increase patient care quality and lower the costs of care. He is experienced in information technology planning, design, development, deployment and operation, as well as policy development for HIT related issues. Mr. Probst serves as a Board Member of several healthcare related organizations including the University of Utah School of Nursing, College of Health Information Management Executives (CHIME), and the Utah Food Bank. He is a frequent speaker on Health Information System strategy, innovation, analytics, standards and policy. Mr. Probst has a passion for the power of HIT for public and population health within the United States and for health improvement worldwide. Mr. Probst received a degree in Finance from the University of Utah and later a Masters of Business Management from George Washington University.

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Patricia R. Richards, President and Chief Executive Officer of SelectHealth

Prior to joining SelectHealth in November 2009, Ms. Richards served as executive vice president and chief operating officer of Health Alliance Plan of Michigan, an affiliate of the Henry Ford Health System. She previously held senior leadership positions at Anthem Health Plans of Maine, Paramount Health Care in Ohio, and Blue Cross Blue Shield of Ohio. Ms. Richards began her career in healthcare as a staff nurse in general surgery and trauma at the University of Michigan Medical Center. She completed her studies in nursing at St. Joseph’s Hospital School of Nursing, affiliated with the University of Wisconsin. She holds a bachelor’s degree in general studies and communications from the University of Toledo, where she also completed her MPA coursework in public healthcare administration.

Ms. Richards is active in the community, serving on the boards of Salt Lake Community College and the Federal Reserve Bank of San Francisco - Salt Lake City Branch. She also chairs the Alliance of Community Health Plans (ACHP), a national leadership organization that brings together health plans and provider groups recognized for delivery of affordable, high value coverage and care for more than 18 million people.


Mark Runyon, Vice President, Operational Finance

Mr. Runyon is responsible for overseeing operations finance, decision support, payer contracting, revenue cycle, and supply chain operations. Prior to joining Intermountain Healthcare, he held similar roles at Inova Health System, Tenet Health System, and Champion Healthcare. He served as Chief Financial Officer for several hospitals over the years. Mr. Runyon also spent several years in public accounting with Coopers and Lybrand. He received his CPA designation in West Virginia and his bachelor's degree in accounting from Marshall University.


Steve Smoot, Associate Chief Operating Officer - Specialty Based Care

Previously, Mr. Smoot led operations at community hospitals in Kentucky and Montana before joining Intermountain in 2000 as CEO at Cedar City Hospital. In 2007, he became CEO of Utah Valley Hospital. He has served on several community and healthcare leadership boards, including Chair of the Utah Valley Chamber of Commerce, the Volunteer Care Clinic, United Way and the executive committee of the Utah Hospital Association. He was the recipient of American College of Healthcare Executives’ Regents Award in both Montana and Utah. He holds a bachelor's degree in hospital administration from Weber State University, an MBA from Brigham Young University and is a Fellow of the American College of Healthcare Executives.


Chris Thornock, Intermountain Medical Group Chief Operating Officer

C. Chris Thornock, is Intermountain Medical Group’s Chief Operating Officer and Compliance Officer. A twenty-nine year veteran of Intermountain Healthcare, he began his career at McKay-Dee Hospital working in patient accounts. After graduation, he joined Intermountain’s Corporate Finance department. Mr. Thornock was offered a newly created budget manager position in the Medical Group a few years later, became the Medical Group’s Chief Financial Officer in 2004, and accepted his current position in July 2009.

Mr. Thornock grew up in the Ogden area and attended Weber State University, where he received a bachelor’s degree in Finance in 1993. He earned a master’s degree in Business Administration from the University of Utah in 2000.

Outside of work, Mr. Thornock enjoys spending time with his wife and four children, taking the family snowboarding and boating, and attending his children’s sporting events.

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Katherine (Katy) A. Welkie, Chief Executive Officer, Primary Children’s Hospital

Prior to her current post as CEO, Ms. Welkie served as the hospital's Chief Operating Officer, CNO, and as Nursing Director of the Pediatric Intensive Care Unit. She received the Excellence in Nursing Leadership Award from the Utah Organization of Nurse Leaders in 2008 and is a previous recipient of the Osler’s Cloak for Excellence in Caring and Curing. Ms. Welkie completed her bachelor's degree in nursing at the University of Utah and received her MBA with an emphasis in health care administration from Regis University.


Bert Zimmerli, Executive Vice President and Chief Financial Officer

Mr. Zimmerli is responsible for the direction and oversight of all Intermountain Healthcare financial operations. Under his financial leadership, Intermountain has achieved and/or maintained the highest financial ratings of any healthcare organization in the country. He also oversees SelectHealth, information systems, business and philanthropic development and community benefit.
Prior to joining Intermountain Healthcare in 2003, Mr. Zimmerli was the Executive Vice President and CFO of Houston Methodist Hospital System. Prior to that, he served in numerous capacities with Memorial Hermann Healthcare System in Houston, including Senior Vice President / CFO, and president of several of its subsidiaries. He also was a partner in Ernst & Young's Houston office, where he spent 16 years, specializing in healthcare.
Mr. Zimmerli serves on a number of Boards, including Intalere (chair), the fifth largest Group Purchasing Organization in the country; ExceleraRx (chair), recently formed specialty pharmacy company co-owned by Catholic Health Initiatives, Fairview Health System and Intermountain; Sotera Wireless, Inc., a private venture-backed company focused on wireless continuous vital signs monitoring; HealthBox Global Partners, Inc.; and the Advisory Board of Chicago Pacific Founders.  He also serves on the Executive Board of the Salt Lake Chamber of Commerce, the Governing Boards of SelectHealth and the Intermountain Healthcare Foundation and advisory boards for certain private equity funds for which Intermountain Healthcare is a limited partner.
Mr. Zimmerli received a bachelor’s degree in accounting and a master’s degree in business administration, both from the University of Wisconsin. He is a Certified Public Accountant and received the Elijah Watts Sells Award for receiving the second highest-score in the nation when he took the C.P.A. exam.