Mercy leader Bobby Stitt, Daryle Voss, Chris Wibbenmeyer and Sue Ann Williams are on Becker’s list of 146 rural hospital and health system presidents and CEOs to know. The list recognizes leaders who understand the importance of quality healthcare services in rural communities that drive better patient outcomes and experiences.
“Rural hospitals are so much more than places of healing. They’re community cornerstones and sources of civic pride,” said Dr. John Mohart, Mercy executive vice president and chief operating officer.
Bobby Stitt
Bobby Stitt is the chief administrative officer of Oklahoma’s Mercy Hospital Ada, which is also affiliated with Mercy’s critical access hospital in Tishomingo.
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The Becker’s list noted Stitt’s foundation as a registered nurse, along with his military service and decades of leadership in rural Oklahoma healthcare.
Stitt began his career with Mercy as a nurse in 2007, moving into hospital administration in 2012.
Daryle Voss
Daryle Voss is president of Oklahoma’s Mercy Hospital Ardmore, which is affiliated with Mercy’s critical access hospitals in Healdton and Love County.
Becker’s highlighted Voss’ leadership in earning repeated Centers for Medicare & Medicaid Studies (CMS) 4-star ratings and top Leapfrog safety ratings for southern Oklahoma hospitals.
The Mercy hospitals in his purview have achieved national recognition for quality of patient care and top safety scores.
Chris Wibbenmeyer
Chris Wibbenmeyer is administrator of Mercy Hospital Perry in Perryville, Missouri.
Becker’s noted Wibbenmeyer’s role in raising the hospital’s CMS star rating, deepening community partnerships and expanding service options for local patients.
Wibbenmeyer helped lead the hospital’s strong financial turnaround, which includes the hospital’s transition into Mercy in 2023.
Sue Ann Williams
Sue Ann Williams is administrator of Mercy Hospital Stoddard in Dexter, Missouri.
Becker’s detailed the hospital’s transition into Mercy in 2024, followed closely by the implementation of electronic health records.
Stoddard is one of only 13 Missouri hospitals with a 5-star patient recommendation based on CMS patient survey data.




