Brian Cook, MBA

Brian Cook was appointed to president of HCA Healthcare's Far West Division in March 2018. In his role, Brian is responsible for the management and operations of 8 hospitals, free-standing emergency rooms and surgical centers spanning the Southern Nevada and the Southern/Northern California markets. Previously he served as chief executive officer of North Florida Regional Medical Center in Gainesville, Florida and has been with HCA for over fifteen years.

He earned his bachelor's degree from Florida State University and his MBA at Rollins College's Crummer Graduate School of Business.

Jeffrey (Jeff) Murawsky, MD
Chief Medical Officer

Jeffrey (Jeff) Murawsky, MD, was named chief medical officer (CMO) of HCA Healthcare’s Far West Division in December 2021. Dr. Murawsky most recently served as chief medical director for SilverSummit Health Plan. He was previously CMO at Sunrise Hospital and Medical Center for six years where he oversaw the clinical excellence agenda. In his current role, Dr. Murawsky oversees the clinical and quality operations, physician integration and alignment for the Far West Division’s eight hospitals and additional access points.

He is a native of DeKalb, Illinois, received a bachelor’s degree from Brandeis University and received his Doctor of Medicine from Loyola University Stritch School of Medicine in 1994. Dr. Murawsky is Board Certified in Internal Medicine and a published author in health services research and a Fellow in the American College of Physicians. He received the American College of Physicians Physician Laureate Award in 2017 and was voted as Las Vegas’ Healthcare Headliner for Administrator of the Year in 2021.

Shari Chavez, MHA, RN, CENP
Chief Nurse Executive

In June 2016, Shari Chavez was named chief nurse executive of HCA Healthcare's Far West Division. Chavez is responsible for nurse and physician collaboration and service initiatives like patient experience, nursing recruitment, retention and development. She has a long-standing career with HCA and prior to her current role she was the chief nursing officer at Swedish Medical Center in Englewood, Colorado.

She earned a Master's degree in Health Care Administration from the University of St. Francis.

Jennifer Ditmer, MBA
Chief Information Officer

Jennifer Ditmer was named chief information officer (CIO) for HCA Healthcare's Far West Division in July 2021. Jennifer joined HCA Healthcare in 2002, spending five years with the IT Internal Audit group in Nashville before transitioning to the Far West division as its director of information security. She moved into a Senior IT Director role for the Las Vegas market in 2010, and then transitioned to the West Florida division as the director of application services. In 2014, Jennifer made her way back to the Far West division and served as the director of operations for three years. Jennifer was most recently AVP for ITG's Service Management Organization in Nashville from 2017-2021, where she lead ITG through its transformation of IT service delivery.

She received her Bachelor of Business in Business Administration and Information Systems from Middle Tennessee State University, and earned her Master of Business Administration from Tennessee Technological University. Jennifer is also an ITG Emerging Leaders program graduate.