St. Joseph's Medical Center Appoints David P. Ziolkowski as New President

(STOCKTON, CA) January 9, 2025 – St. Joseph's Medical Center is pleased to announce the appointment of David P. Ziolkowski as its new President and Chief Executive Officer, effective February 10, 2025. Mr. Ziolkowski succeeds Don Wiley who retired in November 2024 after a 34-year career at St. Joseph's Medical Center.

Mr. Ziolkowski brings more than 20 years of healthcare leadership experience, distinguished by his success in improving organizational efficiency, strengthening financial performance, enhancing patient care quality, and building meaningful connections within the community.His expertise in strategic planning, physician relations, and operational excellence will be instrumental in guiding St. Joseph's Medical Center’s continued growth and expansion of services.

Most recently, Mr. Ziolkowski served as Chief Executive Officer at Tenet's Carondelet St. Mary's Hospital, where he improved the hospital’s finances, increased patient satisfaction, and enhanced overall performance of the hospital. Known for his collaborative leadership, he focuses on accountability and is deeply committed to providing excellent patient care. 

“We are thrilled to welcome David to St. Joseph’s Medical Center,” said BJ Predum, Market President, Dignity Health Central Valley. “His proven leadership abilities and commitment to excellence align perfectly with our mission and vision. We are confident that he will be a transformative leader for our organization.”

Mr. Ziolkowski stated, “I am honored and excited to join the team at St. Joseph’s Medical Center. I look forward to working with the dedicated staff, physicians, and community partners to build upon the hospital’s legacy of providing exceptional care.”

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About St. Joseph’s Medical Center 
Dignity Health St. Joseph's Medical Center is a not-for-profit, fully accredited, regional hospital with 355 beds, a physician staff of over 700, and more than 2,700 employees. Specializing in cardiovascular care, comprehensive cancer services, and women and children's services, St. Joseph's is committed to delivering compassionate, high-quality, affordable health care services with special attention to the poor and underserved. As a Sponsoring Institution for Graduate Medical Education, St. Joseph’s supports rapidly growing educational programs for both resident physicians and medical students. In addition to being nationally recognized as a quality leader, St. Joseph's is consistently chosen as the "most preferred hospital" by local consumers. St. Joseph's is the largest hospital, as well as one of the largest private employers in San Joaquin County. Founded in 1899 by Fr. William O'Connor and administered by the Dominican Sisters of San Rafael, St. Joseph's continues to lead the region in medical innovation. St. Joseph's Medical Center is a member of Dignity Health/CommonSpirit Health, a nonprofit Catholic health system with care sites across 21 states dedicated to advancing health for all people. For more information, please visit DignityHealth.org/Stockton.