Leadership Team

At the core of the RiverStone Health staff is our leadership team, a group of individuals whose vision, innovation and passion have made RiverStone Health a quality provider of primary care and public-health services in southeastern Montana.

John Felton, MPH, MBA, FACHE
President & CEO
Yellowstone County Health Officer

John joined RiverStone Health in May, 2004. Prior to joining the organization he spent eight years as CEO of Northern Rockies Radiation Oncology Center, a non-profit freestanding radiation therapy center; six years as Vice President of Professional Services at a rehabilitation and sub-acute care facility in Cincinnati, Ohio, and was a member of both the Board of Health and Yellowstone Health Partnership Board. John has a Master of Public Health degree from the University of Montana, a Master of Business Administration from the University of Cincinnati, as well as a Bachelor of Science degree in Occupational Therapy from the University of Puget Sound. John has been a Fellow of the American College of Healthcare Executives since 2000.

Shelli Ritz, CPA
Executive Vice President and Chief Financial Officer

Shelli has been with RiverStone Health since May, 2008. Prior to joining the organization, she worked in a controller position at Roscoe Steel & Culvert Co. and was a key member of the company’s Continuous Process Improvement Initiative Team. Shelli also previously held the position of Vice President, Treasurer & Chief Financial Officer of Northern Rockies Radiation Oncology Center, a non-profit freestanding radiation therapy center. She also worked with KPMG LLP as an Audit Manager. Additionally Shelli was a member of the Board of Health and the RiverStone Health Clinic Board. She received her undergraduate degree in accounting from Montana State University Bozeman.

Kristie Asay, CFRE
Executive Director RiverStone Health Foundation

Kristie joined RiverStone Health Foundation in January, 2012. Prior to joining the organization, she was with Alberta Bair Theater. Kristie has held certification as a Certified Fund Raising Executive (CFRE) since June, 2016. She joins only 28 Montanans who have met a series of standards including tenure in the profession, education, and demonstrated fundraising achievement for nonprofit organizations. A graduate of the University of Mary with a Master of Science–Management degree, Kristie has over 22 years of nonprofit management and fundraising experience. She earned undergraduate degrees from the University of Wyoming and Dickinson State University. Kristie chairs the Yellowstone County Guardianship Council and is past-President of the Billings Rotary Club and the Association of Fundraising Professionals. Through Rotary International Kristie is a Paul Harris Fellow +3.

Garth Brand, MD
Director, Montana Family Medicine Residency

Dr. Brand joined RiverStone Health as a resident with the Montana Family Medicine Residency program in 2013. After graduating from MFMR in 2015 he joined the faculty at RiverStone Health Clinic. Dr. Brand became the director of MFMR in 2020. Dr. Brand received his B.A. in Biochemistry Biophysics and Microbiology from Whitman College in Walla Walla, Washington. He received his M.D. from Ross University School of Medicine in Portsmouth, Dominica. His is board certified through the American Board of Family Medicine. His clinical interests are in addiction medicine, simulation training, and GME. Dr. Brand enjoys spending time with this wife and two children, BBQ cooking, hiking and camping, skiing, biking, paddle boarding and travel, or mainly anything that allows him to be outdoors. Dr. Brand says the most satisfying part of teaching at MFMR is working with underserved patients in a Community Health Center with a focus on teaching many levels of students and residents.

Jeff Hert, SPHR
Vice President, Human Resources

Jeff joined RiverStone Health in May, 2012. Prior to joining the organization he spent two years working as Vice President of Human Resources at iTech Corporation, which was acquired by Fiserv Corporation. He worked as a Human Resource Manager for Fiserv for three years, overseeing the Human Resources needs of Billings and West Des Moines, Iowa. He also enjoyed a long career of 24 years with FedEx Corporation, working in various facilities in management roles. Jeff received a bachelor’s degree in Business Administration/Human Resource Management from Eastern Montana College (currently Montana State University Billings). He has served on the Yellowstone Valley Chapter Affiliate of the Society of Human Resource Management and is certified as a Senior Professional in Human Resource Management (SPHR).

Daniel Hillman
Vice President, Information Services

Daniel joined RiverStone Health in February, 2008. Prior to joining the organization, he worked in a variety of Information Technology positions including: IT Senior Network Consultant for M.A. Polce Consulting in New York; IT Senior Project Manager and IT VPN Manager for Comtech LLC and General Services Administration (GSA) in Washington, DC; and also as a contracted Senior Network and Information Security Manager. He earned his undergraduate degree in Environmental Science from Syracuse University. Additionally, Daniel holds numerous software and hardware certifications, including the designations of Blue Coat Certified Systems Engineer and Cisco Certified Design Associate.

Megan Littlefield, MD
Chief Medical Officer

Dr. Littlefield joined RiverStone Health as the Medical Director in September 2011. Prior to joining RiverStone Health, she practiced primary care and served as Medical Director at Revere Family Health Center at Cambridge Health Alliance in Massachusetts. She received her B.A. from Connecticut College, graduated from University of Maryland Medical School, completed a combined Internal Medicine and Pediatric residency at the University of Chicago, and then served as chief resident at McNeal Hospital prior to starting in clinical practice in 2005. Her clinical interests include improving healthcare access to underserved populations, obesity and diabetes prevention, and healthcare system transformation to create a team-based, efficient, population focused, and patient centered approach to healthcare. She is currently a clinical instructor of Family Medicine at the University of Washington.

Eric Owen
Vice President, Public Health Services

Eric joined RiverStone Health as vice president of Public Health Services in 2022. Eric came to RiverStone Health from HealthPoint, a Community Health Center that serves the communities in King County Washington outside of Seattle. He has more than 20 years of experience working in metropolitan, suburban and rural public health, and community health systems, including many years in leadership. He has a bachelor’s degree in business administration and is presently in a master of business administration program focusing on health administration. His spouse grew up in Montana and they have relatives in the Billings area.

Barbara Schneeman
Vice President, Communication and Public Affairs, Public Information Officer

Barbara joined RiverStone Health in July, 2003 as the Manager for Communication and Advocacy and assumed her current role in 2013. Prior to joining the organization she served on the Yellowstone County Board of Health and worked with the American Heart Association at both local (Billings) and national (Dallas) levels on communication and public policy issues. She has a degree in History and Political Science from the University of Montana and participated in the 2006 -2007 cohort of the Northwest Public Health Leadership Institute. Barbara is currently the Vice President of Planned Parenthood of Montana, on the United Way of Yellowstone County Board and is serving as an ex-officio member of the Health and Economic Partnership Livelihood (HELP) Act Oversight Committee which oversees Medicaid expansion in Montana.

Judy Stewart, RN, MS
Vice President of Culture & Innovation

Judy joined RiverStone Health in October, 1987. She has served in a wide variety of positions and program areas including Homecare and Hospice, Healthcare for the Homeless, and Pharmacy. Currently oversees Organizational Innovation (RiverStone Health’s Lean Six Sigma initiative), Analytics, and Justice, Equity, Diversity, and Inclusion (JEDI) programs. She is an advocate for organizational culture and programmatic innovation. Judy earned her undergraduate degree in nursing from Montana State University, a Master of Science in Strategic Leadership from University of Mary and is a certified Lean Six Sigma Black Belt.

Nancy Taylor, MBA
Vice President, Clinical Services

Nancy joined RiverStone Health in May, 2002 and served as the Director of Ambulatory Care until assuming her current position in May, 2008. Prior to joining the organization, she held executive management positions in a variety of healthcare settings, including hospitals, long-term care and primary care. She earned her undergraduate degree in Health Care Administration from University of Wisconsin- Eau Claire and a Master of Business Administration from University of Montana.