Emory Healthcare announced today the appointment of Oscar C. Marroquin, MD, as chief administrative and operating officer for the health care system, effective Oct. 1, 2025.

In this new role, Marroquin will have a broad scope of responsibility for ensuring the delivery of the highest quality of care, optimizing efficiency and maximizing operational alignment across Emory Healthcare, the most comprehensive academic health system in Georgia, and Woodruff Health Sciences, Emory’s larger umbrella organization focusing on clinical excellence, education, research and innovation.

Marroquin joins Emory Healthcare from the University of Pittsburgh Medical Center (UPMC), where he currently serves as executive vice president. He is nationally recognized for advancing clinical integration, data-driven operations and provider performance.

During a two-decade career, Marroquin’s leadership and contributions at UPMC include serving as president of the UPMC Physician Services Division, overseeing more than 5,000 employed physicians and all academic clinical faculty of University of Pittsburgh School of Medicine. Previously, he served as the chief health care data and analytics officer, during which time he created a best-in-class unified clinical data warehouse. As an academic interventional cardiologist and clinical researcher, he advanced the understanding of real-world results of new therapies, including a first author paper in New England Journal of Medicine. Marroquin brings deep experience and proven leadership in advancing academic health systems.

“Oscar brings a wealth of knowledge and understanding as a physician leader and health system executive in the forward movement of academic health systems like ours,” says Joon S. Lee, MD, executive vice president for health affairs of Emory University and CEO of Emory Healthcare. “This significant appointment will support our process of continuing to modernize our operating model and deliver on our commitment of improving lives and providing hope.”

“I am excited for the opportunity to be an active contributor in the continued modernization of such a well-regarded and successful academic health system as Emory Healthcare,” says Marroquin. “I am both humbled and extremely excited to be a part of the One Emory mission of advancing health through science, education and patient-centered care. 

Marroquin received his medical degree from Universidad Francisco Marroquin School of Medicine in Guatemala and completed residency training at University of Pennsylvania. He then completed three cardiology fellowships at Mount Sinai Medical Center in Florida and University of Pittsburgh Medical Center.