Our Team

Mike Zauner joined Heritage Oaks Hospital as CEO in June of 2021. Prior to this, Mike acted as the Chief Executive Officer of Sierra Vista Hospital in Sacramento since 2010, and before that, as Chief Operating Officer of a sister facility in Kirkland, Washington, just outside Seattle. Mike has more than 20-years of experience in behavioral health hospital operations, much of that focused on managed care contracting and business development.

After earning his MBA from Indiana University in 1994, Mike started working for Charter Medical Corporation as Director of Managed Care contracting in Indianapolis. Eventually, Mike became Executive Director of Managed Care for a division of behavioral health hospitals before joining our sister facility in 2003.

Mike enjoys a variety of activities outside the workplace including golf, reading, travel and spending time with his children.

Allison Roebuck, has over 20 years of accounting experience, and has been working in healthcare for over a decade. She is responsible for managing the financial health of the institution using her extensive knowledge of healthcare finance, delivery systems, health plan operations and healthcare data analysis. She earned her Bachelor of Science in Accounting from Metropolitan State University in Denver, and her Master’s in Professional Accounting from Colorado State University.

Allison has spent time working for a durable medical equipment company, an infectious disease clinic, psychiatric facilities, as well as a drug and alcohol rehabilitation facility. Outside of healthcare, her experience spans the mortgage industry, public accounting, property management, and hospitality management. Allison began her UHS career in Accounting and Business Office Management at Highlands Behavioral Health Systems in Littleton, CO. She then moved into a CFO in Training role with Sierra Vista Hospital in Sacramento, CA. Upon completion of the program, she spent the next three years as the CFO of Schick Shadel Hospital in Seattle, WA. Allison relocated back to the Sacramento area to join the Heritage Oaks Hospital Family of Services in 2020.

Cathawyne W. Paul, MSN, BSN, RN-BC, has served in nursing roles at Heritage Oaks Hospital since 2003. She accepted the position of Assistant Director of Nursing in 2007 and was promoted to the position of Director of Nursing Services, due to her extensive and administrative nursing experience.

Earlier in her career, Cathawyne was the Nurse Administrator of the Department of Mental Health and Substance Abuse for the government of Guam. In addition, she served in American Samoa as the Coordinator for the Alcohol/Drug Program in the Department of Public Health. As well as serving on the psychiatric nursing staff as a manager for the Alcohol and Drug Unit at the Washington Hospital Center, Washington, DC.

Cathawyne earned her Master of Science in Nursing Leadership and Administration from Western Governor’s University, Salt Lake City, UT. She received her Bachelor of Science in Nursing from Hampton University, Hampton, VA, with a national certification in Psychiatric Nursing. She is a member of the American Nursing Association, as well as the American Psychiatric Nursing Association.