Leadership

Chief Operating Officer

Valerie Newman is the Chief Operating Officer at Menorah Medical Center.

She most recently served as COO at St. David's Georgetown Hospital, part of HCA Healthcare's Central West Texas Division. During her two years there, Valerie has provided executive leadership across a broad portfolio of services, helping drive significant performance gains through expense discipline, service line expansion and throughput optimization, while also elevating colleague engagement to exceed enterprise benchmarks.

Valerie's HCA Healthcare career path has led her from an administrative resident role in the HCA Florida Division to vice president of Operations role at Medical City Weatherford Hospital, part of the North Texas Division, and to her current COO position.

Valerie earned a bachelor's degree in healthcare administration from the University of Central Florida, a master's degree in healthcare administration from the University of Florida, and she completed HCA Healthcare's Executive Residency and Executive Development programs. She is a member of the American College of Healthcare Executives.

Chief Financial Officer

Joe Sereno is Chief Financial Officer at Menorah Medical Center. He comes to the hospital from Santa Rosa Medical Center in San Antonio, where he served as Chief Financial Officer and Vice President of Finance. In that role, he provided strategic leadership and guidance across multiple key functions, including accounting, business office, health information management, revenue integrity, materials management, patient access, case management, and HOPD physician clinics. Additionally, he directed financial analysis efforts along with both annual budget and proforma capital expenditure preparation for the hospital.

Joe earned his master's in healthcare administration from Trinity University in San Antonio and his Bachelor of Science in business administration from Columbia College in Syracuse, New York.

Chief Medical Officer

Dr. Buzzas is the Chief Medical Officer at Menorah Medical Center. Most recently, he served as CMO and Designated Institutional Official for St. Rose Siena and Rose De Lima Medical Centers in Henderson, Nevada, where he helped strengthen physician alignment, advance a high-reliability culture, and improve quality and safety across the organization.

At St. Rose, Dr. Buzzas led major initiatives to expand access and improve care, including helping advance emergency trauma services to Level II, establishing a neurosciences service line that earned Thrombectomy-Capable Stroke Center status, and supporting internal medicine and family medicine residency programs. He also brings experience improving key performance metrics, including length of stay, Leapfrog ratings, patient throughput and emergency department performance.

Prior to joining St. Rose, Dr. Buzzas served as CMO at Canyon Vista Medical Center in Sierra Vista, Arizona, and also held several physician leadership roles with St. Charles Health System in Bend, Oregon, spanning quality, clinical documentation, physician relations, medical staff operations and multi-specialty group leadership.

A board-certified general surgeon, Dr. Buzzas earned his medical degree from Creighton University and completed his general surgery residency at the University of Kansas-Wichita. He also has master's degrees in healthcare quality and patient safety management and molecular biology, as well as a bachelor's in biology.

Chief Nursing Officer

Angel Monroy is the Chief Nursing Officer at Menorah Medical Center. Angel has been part of Menorah in many different roles since 2010 when he was an Orthopedic Nurse Practitioner rounding on patients and in the operating room assisting in surgery. Since then he has held the positions of Inpatient Director of Nursing and Assistant Chief Nursing Officer. Angel returns to Menorah after being the Division Vice President of Nursing Operations. He is passionate about nursing care and helping nurses find their career path. Angel has a Psychology Bachelor's Degree and a Master’s of Science in Nursing Degree (Family Nurse Practitioner) both from Graceland University

Assistant Chief Nursing Officer

Zach Eaton serves as the Assistant Chief Nursing Officer at Menorah Medical Center. In this role he will work with the Chief Nursing Officer and Nurse Leaders to create exceptional patient experiences along with growth and learning opportunities for Menorah’s nursing team.

Prior to coming to Menorah, Zach served as the Director of Nursing at Metropolitan Methodist Hospital, a 378-bed hospital in San Antonio. In that role he had oversight on multiple departments including two critical care units, Nursing Administrators Departments (House Supervisors) and the Clinical Support Resource Nurse Team. He has been in healthcare for more than eleven years and has served in progressive leadership roles for the last eight years.

Zach has been recognized for his leadership as a recipient of AACN’ Beacon Award of Excellence and the Transformational Leadership Award for two consecutive years. He received his Bachelors of Science in Nursing from the University of Portland, and Masters of Science in Nursing Degree from Saint Xavier University. Zach is currently working on his Doctor of Nursing Practice (DNP) through Baylor University.