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The Tidelands Health Newsroom

Published on March 05, 2021

Experienced health care leader joins Tidelands Health

A health care leader with 30 years of experience has joined Tidelands Health as vice president of operations.

Mark LoosIn this role, Mark Loos is responsible for operations, daily management and the strategic direction of several key areas within the not-for-profit health system, including surgery services, oncology services and pharmacy services. This includes the network of physician specialty practices providing those services in Horry and Georgetown counties.

Loos has extensive experience in health care management, serving in a variety of roles at multi-hospital health systems in South Carolina, Massachusetts and Ohio, among others. He specializes in operations management, project management, business development and strategic planning.

“Mark brings a wealth of leadership experience in health care that will be an asset to Tidelands Health as we continue to evolve and serve our growing community,” said Gayle Resetar, chief operating officer of Tidelands Health. “He has a proven track record of exemplary leadership, and we are confident he will quickly make valuable contributions leading an already stellar team of dedicated professionals at Tidelands Health.”

Loos earned his bachelor’s degree from Eastern Michigan University and a master’s degree in hospital and health administration from Xavier University. He is a fellow of the American College of Healthcare Executives.

A native of Ann Arbor, Michigan, Loos is married to Tara and has two children, Brian and Audrey.


Tidelands Health is the region’s largest health care provider and MUSC Health affiliate, serving the Carolinas at four hospitals and more than 60 outpatient locations. More than 2,500 employee, physician and volunteer partners work side by side with our communities to transform the health of our region – promoting wellness, preventing illness, encouraging recovery and restoring health.