Meet the Executive Leadership Team.

Peggy Chase

President and CEO
Peggy oversees Terros Health, a growing whole health, whole person care non-profit company providing services to Arizonans throughout the state and since 1969.
Peggy has been a progressive health care leader and innovator for 30 years. Her commitment to service leadership has positively impacted health care public policy through her participation on local, state, and national boards and committees.
Recognized as a health management expert, she is often called on by other health care leaders and state agencies for her expertise on how to achieve successful outcomes. Her contributions to Arizona’s health care and behavioral health care systems include, but are not limited to, success in fiscal viability, policy development, data management and information systems development.
With an extensive background in finance and operations, Peggy has served as the chief financial officer and chief information officer of several companies. She has overseen all areas of operations including: financial management, electronic health records, claims and billing systems, information technology, data analytics, human resources and contracts.
In 2014, under Peggy’s strategic vision and leadership, revenues at Terros Health increased from $38 million to $53 million through the expansion of existing services, the growth of primary care services and the acquisition of two local companies.

Karen Hoffman Tepper, Ph.D

Chief Operations Officer
Karen oversees human resources, service excellence and analytics, compliance and internal audit, payer relations and contracting, and strategic growth and grant development for Terros Health. She facilitates the development and monitors the implementation of the organization’s strategic plan. Prior to joining Terros Health in 2014, she served as chief executive officer of an agency where she oversaw 40 programs across 17 states and provided strategic and organizational leadership while supervising more than 140 employees.
Karen is married with two children and enjoys spending time at the beach with her family..
PhD, Human development and family studies, University of Arizona
Bachelor of Arts, Lafayette College
Six Sigma Green Belt, Villanova University
Certifications and Professional Associations
University of Arizona Alumni Association

Ron Carpio

Chief of Health and Family Services
Ron Carpio provides leadership and oversite to Terros Health’s behavioral health, primary care and child welfare services. His key role is to ensure the integration of the company’s health care products.
Ron passionately believes and champions the health care industry’s direction of integrating primary and behavioral health in concurrence with addressing environmental conditions that directly and indirectly affect a person’s whole health. Another passion of his is advocating for those in recovery from substance use and mental health disorders, specifically supporting the truth that recovery is possible.
Ron has a strong interest in public policy which translates into meeting and educating legislators both at the state and federal level on topics such as health care, child welfare and substance use disorders.
Ron holds a Bachelors of Arts degree from the University of Arizona with a major in Psychology and a Master’s degree in Social Work from Arizona State University. With more than 30 years of clinical and administrative experience in both the private and public health care sectors, Ron’s work includes the development, management and leadership of inpatient and outpatient health care and child welfare programs delivered in both rural and urban settings.

Randy Brazie, M.D.

Chief Medical Officer
Dr. Brazie oversees clinical services, coordination of patient care and safety, quality assessment and health care program improvement for Terros Health. He contributes to the development of the organization’s clinical mission, supervises physicians and practitioners and provides oversight of comprehensive medical policy implementation and utilization management services.
Prior to joining Terros Health in 2016, Randy served as medical director of behavioral health at Canyon Vista Medical Center where he opened a new 19-bed adult/geriatric inpatient unit for Cochise County, including Serious Mental Illness, military and the private-pay population. Additionally, he served as assertive community treatment psychiatrist for Choices Network where he provided care for public sector recipients in Maricopa County and was responsible for overseeing medical staff as the clinic’s chief psychiatrist covering six multidisciplinary teams.
With more than 20 years of international clinical experience, his expansive work includes clinical and leadership roles in New Zealand and Australia where he provided care for diverse cultures and populations.
Randy lives in Phoenix with his husband Preston and their two dogs, Simon and Agna. He enjoys travel to Southeast Asia and supporting local arts and cultural organizations such as the Desert Botanical Garden and The Phoenix Symphony.
Psychiatry Residency Program, University of Arizona
Doctor of Medicine, University of Arizona
Bachelor of Science, University of Arizona
Certifications and Professional Associations
Arizona Board of Medical Examiners
Medical Board of California
Medical Council of New Zealand
Australian Health Practitioner Regulation Agency
American Board Psychiatry and Neurology
American Psychiatric Association
General Psychiatry, Diplomate

Liz Ketter

Chief Financial Officer
As Chief Financial Officer, Liz is an effective and trusted partner and vigilant financial steward who helps to shape and influence the ambitious fiscal goals for Terros Health. She provided financial leadership during a significant period of growth where she successfully negotiated and completed the acquisitions of three companies, which increased annual revenues from $42 million to $80 million and staff from 250 to more than 1,000 in less than two years.
With more than 25 years’ experience, Liz’s depth of knowledge of the health care industry allows her to apply key learnings to Terros Health’s strategic objectives. Liz has a consistent record of building rapport with colleagues, working collaboratively to achieve goals and producing results.
Prior to joining Terros Health in 2015, she held a variety of chief financial officer or leadership roles at Haven Behavioral Healthcare/Remuda Ranch Hospital, Centene Corporation, HealthNet and Parks Healthcare/DoctorSolutions.
Liz and her husband have three kids and reside in Phoenix. She’s a creative competitive sports fan with a passion for fashion.
Bachelor of Science, Accounting, George Mason University
Bachelor of Science, Family and Human Development, Virginia Tech
Certifications and Professional Affiliations
Certified Public Accountant (Active), Virginia
Project Management Professional, Project Management Institute

Saffron Wanger

Chief Information Officer
Saffron oversees technology vision, strategy and leadership in the development, implementation, security and sustainability of enterprise-wide information systems initiatives at Terros Health.
Prior to joining Terros Health in 2004, she held prior roles in information technology managing the electronic medical record contract, project initiatives, enhancement development and training initiatives.
Saffron volunteers with Achilles International, an organization that assists endurance athletes with disabilities. She enjoys acrylic painting on canvas and loves to experience international travel. Saffron and her husband live in downtown Phoenix with their two rescue cats, Romy and Roxy.
Master of Science, Valparaiso University
Bachelor of Arts, University of Michigan
Certifications and Professional Associations
Certified Professional in Health Information & Management Systems
Certified Healthcare Chief Information Officer
Certified Healthcare Information Management Executives
Web Design Certificate of Completion, Paradise Valley Community College
Board Member, Healthcare Information and Management Systems Society, Arizona Chapter
Patient Engagement, Analytics and Informatics Director, Healthcare Information and Management Systems Society (HIMSS), Arizona Chapter
Achilles International, Greater Phoenix Chapter