John J. Warner, MD, became chief executive officer of The Ohio State University Wexner Medical Center and executive vice president at Ohio State in April 2023.

Before joining Ohio State, Dr. Warner spent 20 years as a cardiologist and leader within the University of Texas Southwestern Medical Center in Dallas. In his first leadership role as CEO of University Hospitals and Clinics, he helped oversee the planning and construction of the new William P. Clements Jr. University Hospital. He went on to hold a variety of senior leadership roles, rising to become executive vice president for Health Affairs and ultimately assuming the additional role of CEO of the UT Southwestern Health System where he served until 2023.

Dr. Warner leads the Ohio State Wexner Medical Center’s research, education and patient care mission across seven hospitals, an expansive and growing network of outpatient care centers, a nationally ranked College of Medicine, more than 20 research institutes, a faculty group practice, an accountable care organization, and a health plan.

Dr. Warner earned his medical degree from the Vanderbilt University School of Medicine. He received a Master of Business Administration degree from the Physician Executive MBA program at the University of Tennessee in 2011.

Stephen E. Markovich, MD, brings a unique blend of knowledge and experience to his role as president and chief executive officer for OhioHealth. In addition to being a healthcare executive, he is also a physician and military leader.
After earning a Doctor of Medicine degree, magna cum laude, from The Ohio State University College of Medicine, Dr. Markovich completed his residency in family medicine.

Dr. Markovich also served as president of OhioHealth Riverside Methodist Hospital and before that held a variety of roles, including chief operating officer, vice president of clinical services, associate medical director, and associate and assistant director of the Family Practice Residency program. Most recently, he served as OhioHealth’s Executive Vice President while transitioning to the CEO.

Tim Robinson is the chief executive officer of Nationwide Children’s Hospital. Robinson first joined Nationwide Children’s in 1995, and his innovative approach to navigating complex economic, regulatory and business challenges has helped the hospital transform from an important regional children’s health care system into a preeminent academic medical center.

In his nearly 25 years with Nationwide Children’s, Robinson has held the titles of assistant treasurer, senior vice president, executive vice president and chief financial and administrative officer. Robinson earned his bachelor’s of science degree from Indiana University, where he double majored in Psychology and Business Administration, and he is a Certified Cash Manager.

Tauana McDonald is the president and chief executive officer of Mount Carmel Health System, a member of Trinity Health.  Previously, she served as the president and chief operating officer of Mount Carmel Grove City Hospital.  In that role, McDonald oversaw the operational, strategic, and financial performance of Mount Carmel Grove City Hospital, Mount Carmel Franklinton Free Standing Emergency Department, and the Mount Carmel Hilliard ambulatory campus. Before that role, McDonald was selected by the Trinity Health Corporate team to serve as the first Chief Administrative Officer of Mount Carmel Health System in 2017. In this role, she was responsible for regional services, including clinical operations, service lines, joint ventures, and partnerships, to ensure consistency and provide strategic direction in delivering Mount Carmel Health System services. McDonald spent over 14 years at Trinity Health Corporate in progressively responsible roles and ultimately built an internal consulting practice accountable for implementing strategic initiatives across the national enterprise.

McDonald holds a B.A. in Human Biology from Stanford University and obtained an MHSA from the University of Michigan’s School of Public Health. She is also a Fellow of the American College of Healthcare Executives.

McDonald is married and the mother of two adult children. She is an active member of the Columbus chapter of The Links, Incorporated, the Columbus chapter of The Girl Friends, Incorporated, and the Alpha Sigma Omega Chapter of Alpha Kappa Alpha Sorority Incorporated.