Executive Leadership

Interim President and CEO

Chief Operating Officer 

Jeff McBee is the interim President and CEO for Dignity Health Chandler Regional Medical Center and Mercy Gilbert Medical Center. He also serves as the Chief Operating Officer (COO) for both East Valley hospitals. 

Prior to his position with Dignity Health, Jeff served as Administrator of Rust Medical Center at Presbyterian Healthcare Services in New Mexico. He previously served in various leadership roles in hospital operations and supply chain at Maricopa Integrated Healthcare System, Phoenix; Parkland Hospital, Dallas, Tex., Duke University Health System, Durham, NC, and Guthrie Healthcare System in Sayre, Pa.

Jeff received his bachelor’s in psychology, master’s of health administration, and master’s of business administration from the University of Missouri-Columbia.

Jeff is a member of the American College of Healthcare Executives.

Chief Medical Officer

Dr. Yagnesh Patel is the Chief Medical Officer for Dignity Health East Valley hospitals and the Arizona market, which includes Chandler Regional Medical Center and Mercy Gilbert Medical Center. In 2015, Dr. Patel joined the executive leadership team at Chandler Regional and Mercy Gilbert Medical Centers as Vice President of Medical Affairs. In this role, Dr. Patel was responsible for daily operations surrounding quality, risk, patient safety and medical management.

He has been associated with Dignity Health since 1996 when he joined the medical staff as an internist. Dr. Patel transitioned to hospital medicine in 1998 and has been a hospitalist at both Chandler Regional and Mercy Gilbert Medical Centers where he served as Chairman of the medicine and family practice departments and then medical staff president in 2014-2015.

Dr. Patel earned his medical degree from the University of Nairobi in Kenya and after practicing emergency medicine in Kenya, he immigrated to the United States in 1992. Dr. Patel completed his residency in internal medicine at the Catholic Medical Centers of Brooklyn and Queens, NY before moving to Arizona. He is board certified in internal medicine with a focused practice in hospital medicine and hospice and palliative medicine.

Chief Nursing Officer

Maryann Bowersox is the Chief Nursing Executive for Dignity Health Chandler Regional Medical Center. She has been a Registered Nurse for more than 30 years and has spent the majority of her career at the bedside which enabling her to influence both her patients and nurses.

As Chief Nursing Executive, Bowersox provides leadership to achieve and exceed quality metrics and reduce serious safety events. She opened the East Valley Weight Loss Center and implemented the Dignity Health East Valley tumor boards.

Bowersox came to Arizona as a travel nurse with St. Joseph’s Hospital and Medical Center. She officially joined the Dignity Health team in 2002. Maryann began her nursing career as a nurse’s aide in Wilkes-Barre, Penn. After becoming a Registered Nurse and working in her Pennsylvania hometown, she then travelled throughout the United States working in various organizations as a nurse inTelemetry, Oncology, Bone Marrow Transplant and Rehabilitation areas.

Maryann obtained her bachelor’s in nursing from Bloomsburg University; master’s in nursing from Grand Canyon University, and doctor of nursing practice from Walden University.

She is a Professor of Practice in the Edson College of Nursing and Health Innovation, and a member of the Arizona Nurse Association of Executive Leadership and the American Nurses Association.

Vice President of Operations

As Vice President of Operations, Brian oversees a variety of clinical and support departments at both Chandler Regional and Mercy Gilbert Medical Centers and serves on strategic and service line growth initiatives including general surgery, neurosurgery and thoracic surgery. Brian also is the executive for major construction projects at both hospitals. Past and current projects include Chandler Regional Medical Center’s Tower D (2021), Graduate Medical Improvements (2023), and the 5th Floor nursing unit, Endoscopy, Hybrid OR and Cath Lab Expansions (2025) and at Mercy Gilbert Medical Center, the Women’s and Children’s Pavilion, a unique partnership between Dignity Health and Phoenix Children’s Hospital slated to open in 2026.

Prior to his current role, Brian served for nearly 11 years as the  Director of Radiology at Chandler Regional Medical Center.  During his tenure, Brian oversaw expansion of imaging services to support the growing center, including the addition of trauma, growth of neurosurgery and  support of the expansion of high risk OB delivery. In addition, Brian worked to expand imaging  capabilities and update current systems to the latest in new technology, adding 3T Digital MRI,  advanced Interventional Radiology and fully digital x-ray imaging. Brian got his start in  healthcare in the US Army as a Radiologic Technologist (Radiology Specialist) and still holds  his registry today. Upon conclusion of service, Brian worked first as a technologist and began progressing through leadership positions to where he is today. Brian holds a Bachelor of Arts in  Management and Organizational Development from Fresno Pacific University and a Master of  Health Administration from the University of Phoenix. 

Chief Financial Officer

Eric Sorensen is the Chief Financial Officer for Dignity Health East Valley, which includes Chandler Regional Medical Center and Mercy Gilbert Medical Center. Eric is also the Interim CFO for Dignity Health in Arizona and Nevada, the Southwest Division of CommonSpirit Health.

Eric oversees the finance and decision support functions with a matrixed relationship with the corporate office for general accounting, payroll and accounts payable. He is also responsible for maintaining the relationship with Optum360 East Valley revenue cycle.

Eric received his Bachelor of Science in Health Care Administration and Master of Business Administration from the University of Arizona. He is also a Certified Public Accountant.