Our Leadership

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Our team of leaders – made up of dedicated, focused and experienced administrators – is guided by respect, compassion, and humility.  Working with each other and with a network of experienced caregivers, their focus on the wellness of our communities is making a difference for patients, healthcare providers, employees, and the tribal nations of the Great Plains.


Jerilyn Church


Jerilyn Church is the Chief Executive Officer of the Great Plains Tribal Chairmen’s Health Board. Church joined GPTCHB in 2012, ushering in an organizational restructuring to meet the health-related needs of the tribal nations the organization serves through the provision of technical assistance, policy analysis, and advocacy, as well as acting as a liaison between the health board and Indian Health Service to help identify and meet the needs of GPTCHB constituents.

Born and raised on the Cheyenne River Sioux Reservation – one of the reservations served by GPTCHB – Church obtained her bachelor’s degree in social work with an emphasis in American Indian studies from Michigan State University in East Lansing, Michigan. From there, Church pursued her master’s degree at the University of Michigan in Ann Arbor, receiving a full fellowship in child welfare with an emphasis in human services management.

Upon completion of her education, Church became the Executive Director for the American Indian Health and Family Services center in southeast Michigan, which provides behavioral health, social services, health education and youth programming to an estimated 57,000 American Indians and Alaska Natives. Under her leadership, the organization tripled its budget and doubled its staff to expand and meet the needs of those it serves.

Sunny Colombe

Senior Vice President of Financial Operation

Sunny Colombe is an enrolled member of the Rosebud Sioux Tribe. She received her master’s degree in business administration from National American University. Prior to joining GPTCHB in 2011, Colombe served as a health system administrator at the Rosebud Indian Health Service. In her spare time, she enjoys spending time with her three children.

Bernard Long

Chief Health Administrator

Bernard Long is a citizen of the Lower Brule Sioux Tribe and an experienced hospital administrator who first started in the healthcare field as a Physical Therapist. He has a Masters of Arts in Organizational Management, with special emphasis in Healthcare Administration from Ashford University. Before taking on the position of Chief Health Administrator at the Oyate Health Center, Long worked for the Indian Health Service Great Plains Area as the Director of Field Operations, where he oversaw five hospitals and five clinics by providing first-line supervision of the Great Plains Area Chief Executive Officers.

Rikki Lynn Schad, RN, BSN

Acting Deputy Director

Rikki Lynn Schad is from Lantry, South Dakota, and is a member of the Cheyenne River Sioux Tribe.  She has received her Bachelor of Science in Nursing from South Dakota State University and is currently pursuing a Master’s Degree in Healthcare Administration.  Prior to her work at Oyate Health Center, she served in nursing management at Rapid City Regional Hospital and the Cheyenne River Service Unit. In her spare time, Schad enjoys traveling, biking, camping, and hiking with her husband and three children: Sydney, a graduate student at Columbia University, and twins Matthew and Mya, who are both seniors at Rapid City Central High School.

Mark Harlow

Chief Medical Officer

Dr. Mark Harlow is an orthopedic surgeon who moved to South Dakota in 1991. He received his medical degree from the Medical College of Wisconsin and has been in practice for more than 20 years. As an orthopedic surgeon, he diagnosed and treated ailments affecting muscles, bones, and joints, including sports injuries, degenerative diseases, tumors, infections, and birth defects. Dr. Harlow also serves as the President of the Board of Directors for the Cornerstone Rescue Mission, Medical Director for the Special Olympics of South Dakota, and on the Board of Directors for the South Dakota State Medical Association. He is a faculty member at the Sanford School of Medicine and at the Medical College of Wisconsin.

Todd Warren

Senior Director of Ancillary Services

Todd Warren grew up in Crawford, Nebraska, where his parents operated a small-town drugstore. He received his Doctor of Pharmacy degree from the University of Nebraska Medical Center in 1990. After graduation, he served in the United States Air Force for six years before transferring his commission to the U.S. Public Health Service. He served the people of the Wind River Reservation for nine years, where he worked as a staff pharmacist and later as chief pharmacist. He was then assigned as the pharmacy director at the Rapid City Service Unit for 13 years.  He has been with GPTCHB since July 2019.  Warren is married with two grown children and two grandsons. He likes spending time with his family, camping, and fishing.

Laticia DeCory

Senior Director of Risk Safety

Laticia DeCory is an Oglala Lakota citizen who brings years of experience to GPTCHB, having worked in the federal, state, and private healthcare sectors throughout Arizona, New Mexico, and South Dakota. For the last 20 years, she has helped hospitals improve their quality and compliance ratings and has worked to improve systems of population health management across the United States. She holds a bachelor’s degree in Healthcare Administration from Utah State University.

CJ Means

Director of Facilities Operations

CJ Means is an enrolled member of the Cheyenne River Sioux Tribe. He received his bachelor’s degree in civil engineering from South Dakota School of Mines & Technology and his master’s degree in health administration from the University of Phoenix. Prior to his work at GPTCHB and Oyate Health Center, Means was CEO for the Cheyenne River Sioux Tribal Health Department in Eagle Butte. He also had engineering and executive roles with the Indian Health Service during his career as a commissioned corp officer in Fort Defiance, Arizona; Farmington, New Mexico; Albuquerque, New Mexico; and throughout the Great Plains region. Means joined GPTCHB in July 2019. In his spare time, he enjoys braiding horse halters for his family, wood working, golfing, ranch work, and spending time with his family and checking cows with his grandson, Ridge.

Beth Lee

Director of Revenue Management

Beth Lee is an enrolled member of the Crow Nation. She joined GPTCHB in October 2013 and has over 20 years of health care experience, with humble beginnings as a CNA.  She earned her bachelor’s degree in healthcare administration from Montana State University in Billings, and holds three certifications from the American Academy of Professional Coders: Certified Professional Coder, Certified Professional Biller, and Certified Professional Coder-Instructor. Lee also serves as vice president of the Rapid City area AAPC chapter.

Fawn Janis

Director of Quality Insurance

Jaimie Young RN, BSN

Director of Nursing

Jaime Young is an enrolled member of Rosebud Sioux Tribe. She obtained her Associate of Arts in Nursing from Oglala Lakota College in 2004, followed by a Bachelor of Science in Nursing from South Dakota State University in 2008. She has sixteen years of nursing experience in various practice areas, including medical/surgical, emergency, obstetric, pediatrics, and urgent care. She enjoys hiking, biking, running, being outdoors, and spending time with her three children and husband.