Our leadership team is comprised of a wide variety of professionals with unique backgrounds who all share a dedication to helping patients heal and learn to overcome obstacles.
C. Lamar Frizzell
Chief Executive Officer
C. Lamar Frizzell, CEO of Cedar Hills Hospital, has worked in the field of behavioral healthcare for over 20 years. Most recently, Frizzell held a similar role at Willow Creek Behavioral Health located in Green Bay, Wisconsin. Frizzell brings practical experience as a line-staff member and is educated in the fields of both Mental Health and Divinity. He will be an exceptional addition to Oregon’s effort to address the mental health needs of the community.
Frizzell is a Ph.D. candidate in both Communications and Rhetoric and in Practical Theology from Mid-America Baptist Theological Seminary (MABTS). He holds a Master’s degree in Divinity from MABTS and a Bachelor of Arts degree from Bryan College.
Director of The Military Program
Mario Bolivar, MSW, LCSW, received his undergraduate degree in Psychology as a member of the scholar’s program at Portland State University. He also completed his graduate degree at Portland State University. Mario has extensive clinical and administrative experience in community mental health psychiatric hospitals, residential treatment programs, and as a contributor to the Department of Defense Military Programs throughout the Western States and the Pacific Northwest. Mario has a special interest in multicultural treatment, military trauma and substance use disorders.
Jennifer Brown, RN
Chief Nursing Officer
Jennifer received her nursing degree in 2012 from Kaplan College in San Diego, California. She joined Cedar Hills Hospital in 2016 as a nurse on the Crisis Stabilization Unit. As CNO she is using her time spent with some of the hospital’s most at risk patients and her Human Resource background to lead the nursing team.
Director of Outpatient Services
Alex Drilling, MHA has worked at Cedar Hills Hospital since 2011, having served in both coordinator and management roles with the Cedar Hills Hospital Outpatient Department prior to becoming the Director of Outpatient Services in 2018. Alex received bachelor’s degrees in Psychology and Sociology from Portland State University, and his Master of Healthcare Administration from Walden University. As a native Oregonian and Portlander, Alex has a passion for the outdoors, spending time with his family, and rooting for the Blazers.
Chief Financial Officer
Brady started his career in behavioral healthcare in his home state of Montana. He started as an accountant and went on to become the Chief Financial Officer of a psychiatric residential treatment facility for children and adolescents. Brady joined UHS in 2019 and most recently completed the Chief Financial Officer in Training program at West Oaks Hospital in Houston, Texas. Brady holds two bachelor’s degrees in both Accounting and Finance from the University of Montana.
Joan Marie Onnagan
Health Information Director
Joan Marie currently serves as the Health Information Management (HIM) Director at Cedar Hills Hospital. She started her career in healthcare as a Certified Nursing Assistant in 2010 and soon pursed her interest in medical records when the opportunity arose. With a Bachelor’s degree in Nursing, she applied her strong clinical background and practical knowledge and has earned this Director role. Joan Marie has served as HIM manager elsewhere, managing busy long term and subacute skilled nursing facilities Health Information Departments. She is new to Oregon having relocated from California. She spends her days off travelling, staying physically active exploring the beauty of the Pacific Northwest.
Christine Mayo Powers, PharmD
Manager of Pharmacy
Dr. Christine Mayo Powers, PharmD is a board certified clinical pharmacist who works with physicians and nurses to provide safe and effective pharmacotherapy for patients who are in treatment at Cedar Hills Hospital. She earned her clinical pharmacy degree and specialization in aging from The Ohio State University in Columbus, Ohio. Dr. Powers completed her residency in Inpatient Pharmacy Practice at Providence Health & Services in Portland, OR. She brings 13 years of clinical pharmacy expertise to Cedar Hills Hospital.
Michael Sorensen, MPA
Director of Business Development
Michael Sorensen joined the team at Cedar Hills Hospital and Outpatient Services in 2019. He works to bring awareness to the community about the programs we offer. Michael has worked in the healthcare industry managing efforts to ameliorate health disparities, end AIDS, support folks with cancer, address mental health and substance use issues, and access primary care and more. He holds a Master’s degree in Public Administration from Portland State University and a Bachelor of Arts degree from Marylhurst University. Michael was born in Portland, OR and though he has lived in many cities across the country, Portland always calls him home.
Oops, No image found.
Jenn Mills, MA
Interim Director of Intake and Assessment
Jenn Mills holds a BA in Criminology and Justice Studies from California State San Marcos. She completed her MA in Counseling Psychology at Humboldt State University. She has 9 years of clinical experience including nearly 6 years at Cedar Hills Hospital and Outpatient Services.
Jenn also has a small private practice, specializing in Applied Behavior Analysis working with kids at home and after school programs. Here past work assignments have included Vocational Rehabilitation counselor for State of California. Over 15 years’ experience in management and customer service
Jenn was born in Great Falls, Montana and raised in Mesa, Arizona where she graduated high school.
She enjoys time with my family, live music, camping, snowboarding, cooking and road trips.
Director of Plant Operations
Kent Liebelt, Director of Plant Operations, joined the Cedar Hills team at the end of 2020. While new to the Behavioral Health side of Healthcare, Kent has 20+ years of experience in Health Care Operations, all in the Portland Area. Kent is passionate about healthcare as an industry, and believes that he and the teams he manages, directly impact patient care through providing excellent service and support to the Clinical Teams.
Kent has a degree in Business Management from the University of Phoenix and has called the Portland area home since 1998. When not at work he can be found enjoying the outdoors, working in his garage or riding his motorcycle.
Karen Phifer, LCSW
Director of Clinical Services
Karen Phifer, LCSW joins the leadership team at Cedar Hills Hospital as the new Director of Clinical Services. Phifer is in charge of ensuring successful day-to-day clinical operations, discharge processes, and delivery of clinical services in the hospital.
Prior to joining Cedar Hills Hospital, Phifer was the program manager at Legacy Health’s CARES Northwest, a unified, community-based medical program founded in 1987 whose efforts focus on the assessment, treatment and prevention of child abuse. During her 16 years at CARES, Phifer led the day-to-day of the multi-million dollar program and was responsible for the development and implementation of new programs. She is an alum of Portland State University School of Social Work.
If you or a loved one is struggling with mental illness, substance abuse or psychiatric distress, please call us at 503-944-5000 for a no-cost, confidential assessment. We cannot offer diagnosis, counseling or recommendations online, but professionals are available to speak with you 24 hours a day, seven days a week. If you are currently experiencing an emergency, please dial 911 or go to the nearest emergency room.