Open Accessibility Menu


Scott Thygerson, Chief Executive Officer

Scott Thygerson

Kern Medical CEO Scott Thygerson has more than 20 years of experience as an executive and consultant in health care strategic planning, operations, business development, and marketing. (Read More)

Andrew Cantu, Chief Financial Officer

Andrew Cantu

Chief Financial Officer Andrew Cantu provides financial and strategic leadership for Kern Medical and manages all financial aspects of the 222-bed facility with a net operating revenue of $327 million. He manages the full spectrum of the revenue cycle, including finance, outpatient clinics, financial counseling and information systems. (Read More)

Glenn Goldis, MD, MMM, Chief Medical Officer

Glen Goldis

As CMO of Kern Medical, Dr. Goldis provides clinical oversight of all department chairs, inpatient and outpatient pharmacy operations, case management, overall health care quality, and performance metrics. His expertise ranges from outpatient program development, hospital operations, and Electronic Health Record implementation. (Read More)

Tyler Whitezell, CPA, Chief Operating Officer

Tyler Whitezell

Tyler Whitezell is an accomplished healthcare executive with extensive experience implementing programs, expanding services and driving operational improvements. As Kern Medical’s Chief Operating Officer, Tyler Whitezell provides operational leadership to quality and ancillary departments within the hospital and clinics. (Read More)

Renee Villanueva, Chief Ambulatory and Outreach Officer

Renee Villanueva

Renee Villanueva, Kern Medical's Chief Ambulatory and Outreach Officer, has over 25 years of experience in multispecialty practice management, with expertise in managed care organizations, IPAs, and hospital-based outpatient clinics. (Read More)

Tonya Barazza, MSN, RN, CNOR, NEA-BC I Chief Nursing Officer

Renee Villanueva

Tonya has over 16 years of nursing experience, with 13 of those years as Director of Surgical Services. She also holds a M.S. degree in Nursing Leadership and Management. She is proficient in areas such as, strategic planning, program development, lean process improvement, building high performing teams, improving workplace culture, and managing multi-site, multi-specialty departments. (Read More)

Roby Hunt, Chief Transformation Officer
Scott Thygerson

Roby has over 30 years of experience working in healthcare, with over 20 of those years in HR leadership roles. He holds a B.A. degree in Organizational Communications from Brigham Young University and is certified as a senior professional in human resources (SPHR) by the Human Resources Certification Institute. (Read More)

Natalee Garrett, Vice President of Strategic Development

Renee Villanueva

Natalee Garrett has over 10 years of experience in Physicians Practice Management, most recently in her role as Vice President of Strategic Development. (Read More)

Lisa Hockersmith, CCP, PHR, Vice President, Human Resources

Lisa Hockersmith

Kern Medical Vice President Lisa Hockersmith provides strategic oversight of Human Resources. She develops and implements strategies and programs to attract, develop and retain a skilled workforce for delivering top-quality patient care to Kern County residents. (Read More)

Martha Leon, Executive Director, Kern Medical Foundation

Rey Lopez

Martha Leon is a seasoned development professional with a rich history of driving strategic fundraising initiatives for esteemed academic institutions and nonprofit organizations. Currently, in her role as Executive Director of the Kern Medical Foundation, Martha leads the department through visionary leadership and impactful collaboration with academic and healthcare institutions in Kern County. (Read More)