Alexis Mussi
Chief executive officer

Alexis Mussi was appointed Chief Executive Officer of Southern Hills Hospital and Medical Center in May 2019. In her role, Alexis oversees and is responsible for Southern Hills Hospital and Medical Center, which includes an 80 bed behavioral health unit, the Pavilion, as well as the free standing emergency room, ER at the Lakes. Previously she served as Chief Operations Officer of Southern Hills Hospital and Medical Center. Alexis has been with HCA since May 2008.

Alexis holds a Bachelor's Degree in Interdisciplinary Studies in Business and Communication from Arizona State University, and earned her Master of Public Administration Degree from the University of Nevada Las Vegas.

Jason Desai
Chief operations officer

Jason Desai was appointed Chief Operations Officer of Southern Hills Hospital and Medical Center in July 2022. In his role, Jason oversees the operations of the emergency, department, surgical services department and other areas of the 265 bed facility.Prior to coming to Southern Hills, Jason served as Vice President of Operations for Mission Hospital, an 815 bed HCA Healthcare Hospital in Asheville, North Carolina.

Jason has also been with HCA Healthcare serving in various positions since 2012, starting as a radiology intern and transporter, and working his way up Vice President of Operations. Jason earned both his Master of Science Healthcare Leadership as well as his Bachelor of Science from the University of Denver in Denver, Colorado. He is also a part of HCA Healthcare's Executive Development Program, class of 2022.

Sonia Baughman
Chief financial officer

Sonia Baughman joined Southern Hills Hospital and Medical Center in January 2022 as chief financial officer. Sonia's oversight includes all financial activities, such as budgeting, forecasting and planning. Sonia joins Southern Hills from the HCA facility in Summerville, Southern Carolina.

Sonia earned her bachelor's degree in Professional Accounting, her master's degree in Business Administration, and her master's degree in Accountancy, all from the University of West Florida in Pensacola, Florida.

Blake Romero
Chief nursing officer

Blake Romero was appointed Chief Nursing Officer of Southern Hills Hospital and Medical center in August 2020. As CNO, Blake has executive oversight for all nursing and surgical operations.

Prior to Romero's position at Garden Park he served as Associate Administrator for Nursing Services at Baylor Scott & White Medical Center in Dallas, Texas. Romero received a Bachelor of Science in Nursing from Excelsior College in Albany, New York and a Master of Science in Nursing Leadership and Management from Western Governors University.

Dr. Steve Sun
Chief medical officer

Dr. Steve Sun joined Southern Hills Hospital and Medical Center in January 2023. Dr. Sun is board certified by the American Board of Anesthesiology and the American Board of Quality Assurance and Utilization Review Physicians. Dr. Sun helps oversee patient safety, quality, and regulatory compliance, while also developing and implementing innovative clinical programs. Dr. Sun also plays a pivotal role working with physician leaders to advance healthcare in Las Vegas. Dr. Sun earned his Undergraduate and Master's Degrees in Public Health from UCLA and studied medicine at the University of South Alabama and Emory University School of Medicine. He completed his residency training in Anesthesiology at Harbor-UCLA. Complementing his medical expertise in Cardiac and Obstetric Anesthesia, he also has his Masters of Business Administration and Juris Doctorate degrees.