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.

Steve Killian, MHA, MBA
Chief Financial Officer

In December of 2015 Steve Killian was named Chief Financial Officer of HCA Healthcare's Far West Division. Steve's oversight includes all financial activities, including accounting and budgeting, along with operational strategies such as forecasting, trends and planning. He has been with HCA Healthcare for over 16 years in the Southern Nevada market and was most recently the CFO at Sunrise Hospital and Medical Center in Las Vegas, Nevada.

He has a bachelor's degree from Brigham young University and two master's degrees from the University of Utah.

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.