Board of Directors
Guided by our mission, Let our family CARE for your family, the Board of Directors provides governance and strategic leadership to serve our community and carry forward Cibola General Hospital’s vision of high-quality, affordable, and equitable healthcare for the patients and families we serve. Working in collaboration with hospital leadership, the Board helps ensure the hospital continues to meet the evolving healthcare needs of our community.
Eileen Yarborough
Board Chairman
Since Aug. 2017
Harry Sheski, Ed.D.
Board Vice Chair
Since Sept. 2022
Kevin Branum
Board Treasurer
Since Jul. 2020
Kendra Brown
Board Member
Since Jun. 2019
Stacey Dimitt, MD
Board Member - Chief of Staff
Since Jul. 2021
Carlos Tapia
Board Member
Since Feb. 2024
Victoria Gastonguay
Board Member
Since Feb. 2024
Ray Carpenter
Board Member
Since Jan. 2025
Arnold Valdivia, MD
Board Member
Since Jul. 2025
Executive Team
The Executive Team at Cibola General Hospital brings together experienced leaders committed to providing compassionate, high-quality, and accessible healthcare for our community. Guided by our values of Compassion, Accountability, Respect, and Excellence, they oversee daily operations, coordinate programs, and support staff to ensure every patient and family receives exceptional care. Through strategic leadership and hands-on management, the team works to meet the evolving needs of the community and strengthen the overall health and wellbeing of those we serve.
Liz Sellers, MSN, MHA
Chief Executive Officer
Alan Germany
Interim Chief Financial Officer
Stacey Dimitt, MD
Chief of Medical Staff
Maria Atencio
Chief Clinical Officer
Ambroshia M. Mandagaran, DHA, MSc, MHS, CPHQ, CPPS
Vice President of Regulatory, Risk, & Professional Practice Development
Cynthia Amanda Tena, MBA
Vice President of Business Development & Support
Ryan Harrison, MBA SCP
Interim Human Resources