Donald J. Wiley serves as President of St. Joseph's Medical Center and President of the San Joaquin-Sierra service area which includes St. Joseph's Behavioral Health Center (Stockton), Mark Twain St. Joseph's Hospital (San Andreas), and Oak Valley Hospital District (Oakdale).

"St. Joseph's has a long tradition of leadership in the community, advancing technology and the level of care provided through our continued innovation and clinical research. Our focus on clinical excellence and patient satisfaction has led to national recognition as a quality leader, and we are consistently chosen as the most preferred hospital by local consumers. I credit our team of skilled physicians, employees, and dedicated volunteers, working together to ensure that St. Joseph's will meet our community's health care needs into the future."

Mr. Wiley graduated from UCLA with a Masters in Public Health Services Administration and holds a Bachelor of Science in Nursing. Before joining St. Joseph's in 1987, Don was Chief Operating Officer for Orthopaedic Hospital, Los Angeles, California.