Leadership
White Earth welcomes Mary Lynne-Billy Old Coyote as incoming CEO
Mary Lynne-Billy Old Coyote will begin serving as Chief Executive Officer of White Earth Tribal Health Systems on September 28, 2026.
The White Earth Tribal Health Systems Interim Health Board is pleased to announce that Mary Lynne-Billy Old Coyote, MBA, PMP, PBA, SHRM-CP, PHR, has accepted the position of Chief Executive Officer of White Earth Tribal Health Systems. She will officially begin her new role on September 28, 2026.
Mary Lynne brings extensive executive healthcare leadership experience across Tribal, federal Indian Health Service and urban Indian health systems. An enrolled member of the Chippewa Cree Tribe of Rocky Boy, Montana, she has dedicated much of her career to advancing healthcare for Native communities and supporting systems of care that reflect the values, traditions and priorities of the communities they serve.
Her leadership experience includes serving as Chief Operations Officer for the Indian Health Service Uintah-Ouray Service Unit and as Chief Executive Officer and Chief Operations Officer of Rocky Boy Health Center, a tribally operated health system. She has also held leadership roles in urban Indian healthcare, state government, healthcare consulting and national healthcare organizations.
Mary Lynne’s experience includes health system operations, financial stewardship, strategic planning and organizational growth, regulatory compliance, workforce development, quality improvement and partnership development.
Mary Lynne is particularly drawn to White Earth Nation’s commitment to living a good and healthy life. She believes strongly in integrating traditional healing practices, community voice and culturally grounded approaches into modern healthcare systems to improve outcomes and strengthen trust.
She looks forward to partnering with the Health Board, Tribal leadership, employees and the community to build a strong, sustainable and culturally aligned health system for future generations. Please join us in welcoming Mary Lynne-Billy Old Coyote to White Earth Tribal Health Systems.