ORANGE CITY, IA — Orange City Area Health System is pleased to announce the appointment of Chris Sietstra as its next Chief Executive Officer, effective July 6.
Sietstra will succeed Marty Guthmiller, who will retire later this summer following 32 years of visionary leadership that strengthened OCAHS and expanded access to high-quality healthcare throughout the region.
Sietstra has served OCAHS as the organization’s Director of Finance since 2024. During this time, he has played a key role in strategic planning, financial stewardship, and organizational growth initiatives. A graduate of Northwestern College, Sietstra holds a Certified Public Accountant license and has experience leading accounting teams and guiding complex financial operations. Through his collaborative leadership style and commitment to OCAHS's mission, he has helped position the organization for continued success and growth.
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“Chris is immensely talented and I am confident that he will lead well and with integrity upholding our culture and values,” said Guthmiller. “In addition, he has an incredible group of Senior Directors to lean on and assist OCAHS to reach even higher heights in the years to come!”
“It is an incredible honor to be selected as the next CEO of Orange City Area Health System. I am grateful for the confidence the Board has placed in me,” said Sietstra. “During my time at OCAHS, I have had the opportunity to witness firsthand the dedication of our staff, providers, volunteers, and leadership team, as well as the trust our communities place in us. I look forward to collaborating with our great people here at OCAHS to continue providing top-notch, compassionate healthcare – building on the strong foundation established by Marty and those who have helped shape our organization over the years.”
Sietstra will work closely with Guthmiller and the OCAHS leadership team to ensure a seamless transition. Together, they remain focused on advancing the organization's mission and continuing to earn the trust of the patients, families, and communities OCAHS is privileged to serve.
The search process for the next Director of Finance will begin immediately.
