CASA GRANDE, Ariz. (June 22, 2026) – Meiko Onken, FACHE, who has spent more than 30 years in health care, including two decades in leadership, will bring her expertise to a growing central Arizona community being named chief executive officer of Banner Casa Grande Medical Center. Her appointment went into effect June 22.
“With three decades of experience in health care, Meiko has developed a deep expertise in operational management, clinical integration, and organizational transformation,” said John Groesbeck, senior vice president of acute care delivery for Banner Health in Arizona. “She has successfully led initiatives to improve patient outcomes, enhance efficiency, and strengthen collaboration across multidisciplinary teams.”
Onken joined Banner in 2002 in a clinical role, earning progressive leadership positions across the organization. She spent the last five years as chief operating officer of Banner – University Medicine Tucson, overseeing operations, strategic initiatives and performance of both campuses.
“This unique blend of clinical and administrative training provides her with a comprehensive perspective that bridges frontline care delivery with executive decision-making,” Groesbeck said. “She has worked closely with clinical and administrative leaders to advance Banner’s mission of delivering safe, high-quality, and patient-centered care that she will bring to the Casa Grande community.”
Meiko began her career in clinical care after earning an associate of science degree in radiologic technology from Pima Medical Institute. She received a bachelor of science in business administration, followed by a master of management degree with a health care focus from the University of Phoenix.
About Banner Health
As one of the nation's largest fully integrated nonprofit health systems, we are pioneering a sustainable care model that prioritizes prevention, manages chronic disease, and reduces health spending – succeeding when patients stay healthy, not when they get sick. We operate 33 hospitals and more than 400 sites across six states, delivering seamless care from primary to quaternary medicine, including health insurance, physician networks, world-renowned specialty services, and behavioral health. Accountable to the communities we serve, we reinvest every dollar into advancing care, research, and facilities, providing more than $1 billion each year in community benefit. Through our partnership with the University of Arizona, we drive clinical discoveries across more than 800 trials and train more than 1,300 residents and fellows annually. Headquartered in Arizona, we serve Arizona, California, Colorado, Nebraska, Nevada, and Wyoming. Our hospitals are consistently ranked among Arizona's top-performing by U.S. News & World Report. For more information, visit bannerhealth.com/about.
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