Executive Team

Steven Sheets, MC, LPC, President and CEO

Steven Sheets has been with SB&H since 2013 and has served as President and CEO since 2018. He has been in the behavioral healthcare industry since 2009. He earned his Bachelor’s degree from Grand Canyon University and his Master’s in professional counseling from Ottawa University. He has held an Arizona Independent Professional Counseling license since 2016. In addition to sitting on the GCU Counseling Advisory Board, he is also a Board member of both Arizona Council of Human Service Providers and mhca (formerly Mental Health Corporations of America, Inc.).

Paul Buttermore, MA, LPC, VP Inpatient and Community Living Services

Paul Buttermore has been with SB&H since 2013 starting as a clinician. He has been in the behavioral health field for the past 10 years. Paul earned a Master's Degree in Mental Health Counseling in 2008. He has been licensed by the Arizona Board of Behavioral Health as a Licensed Professional Counselor (LPC) since 2015. Paul is a Marine Corps Veteran.

Greg Choy, MSN-HSA, RN, VP Outpatient Services, Central Region

Greg is a licensed Registered Nurse with over 20 years of healthcare experience. He has served vulnerable and underserved populations for the majority of his career in multiple settings including long term care facilities, inpatient hospitals, outpatient procedural clinics, and behavioral health. He has been with SB&H since 2022, initially serving as the Director of Nursing and High-Needs Populations in Maricopa County. He is passionate about process improvement, leadership development, implementation of evidence-based practice, and improving member outcomes. He firmly believes that people are the biggest assets of any organization and feels honored to work at SB&H where those values are shared organization-wide.

Dan Downs, SHRM, Chief People Officer

A 30+ year human resources veteran, Dan Downs is responsible to the oversite of the People Experience Department, including Diversity, Equity, and Inclusion, Talent Recruitment, Employee Retention, Career Progression, and Benefits Administration. Prior to Dan coming on board with Southwest Behavioral & Health Services he worked as a Chief Human Resources Officer for Southwest Network, a provider of mental and behavioral health facilities in Greater Phoenix, Arizona and a Human Resources Director for Haven Behavioral Hospital of Phoenix, a level 1 psychiatric hospital. In these roles Dan was instrumental in guiding and shifting workforce planning & development, organizational culture, compensation, and DEI initiatives. Dan is a believer in empowering his department to find creative out of the box solutions and encourages open communication of information and ideas that can improve the organization. Dan earned his bachelor’s degree in Human Resources Management from the University of Phoenix. He is a member of the Society for Human Resources Management (SHRM) as well as its Arizona chapter. A hands-on management level professional with a proven ability to provide proactive leadership in developing and utilizing corporate resources to drive and deliver business growth through all aspects of Human Resource. Dan is committed to providing an atmosphere of exceptional company culture, morale, as well as impeccable internal & external customer service.

Michael Fett, CPA, Chief Financial Officer/Chief Administrative Officer

Michael Fett has served as the CFO of SB&H since 2002. Prior to that he served as the CFO for the Arizona Department of Health Services/Division of Behavioral Health Services (ADHS/DBHS) which managed the Arizona Regional Behavioral Health Authority (RBHA) contracts and the Assistant Director of the Division of Business and Finance at AHCCCS, Arizona's Medicaid Administration. Before working in the government and healthcare industry he was a senior auditor with a national public accounting firm. He holds a Bachelor's of Science in Business Administration degree from the University of Arizona and has been licensed as a Certified Public Accountant in the State of Arizona since 1993.

Marcie Herzog, MC, LPC, CPRP, VP Community Services

Marcie Herzog is a Licensed Professional Counselor (LPC) with 20 years of experience in the behavioral health field and over 15 years of leadership experience. She started her career as a Team Lead with SB&H in 2002 and has worked in various levels of care including residential, community based, and outpatient services. She has implemented new programs while at SB&H including the Permanent Supported Housing program and InSHAPE, a wellness program. Marcie has a Bachelor of Science in Sport Business from the University of Illinois and a Master in Counseling from University of Phoenix.

Dominic Miller, MPA, MSW, LCSW, Chief Operating Officer

Dominic Miller is an independently licensed clinical social worker and is responsible for all aspects of program operations at SB&H. In addition to his role as Chief Operating Officer, Dominic is a Governor-appointed board member of the Arizona Board of Behavioral Health Examiners and a member of the Behavioral Health Advisory Board for the College of Humanities and Social Sciences at Grand Canyon University. Dominic was born and raised in Phoenix, Arizona, and as an openly gay Mexican-American, he is dedicated to improving healthcare access and equity for historically marginalized populations and underserved communities. Holding a Bachelor's and Master's degree in social work, as well as a Master's in public administration from Arizona State University, Dominic has a diverse professional background that includes leadership in integrated care, high-needs case management, and programs for individuals with complex healthcare needs. He is passionate about reducing clinician burnout by using the latest tech solutions to modernize healthcare delivery and eliminate administrative burden for professionals. Outside of his professional life, Dominic cherishes time with his partner and their two Doodles, Strider and Aztlán.

Erica Missicano was raised in the state of Indiana and graduated from Purdue University with a Psychology/Sociology degree. She furthered her education at Indiana University to earn her Master of Social Work degree. She is a licensed social worker with the Arizona Board of Behavioral Health Examiners. Erica has more than 20 years of quality management experience in the healthcare industry and is a Certified Professional in Healthcare Quality. She has also earned her certification as a Change Management Professional. Her professional experience includes quality management and clinical positions with the Maricopa County Managed Care Organization as well as the Arizona Department of Health Services and the Office of the Monitor. She currently serves on the behavioral health advisory board for South Mountain Community College as well as Glendale Community College to assist in building out their 4-year undergraduate programs. Her greatest passion is to improve member satisfaction and outcomes by implementing quality improvement programs and strategies that focus on member-centered care.

Edward O'Brien, MS, LASAC, VP Northern Arizona Operations

Edward O’Brien graduated with a Bachelor’s Degree in Psychology from the University of Phoenix in 2014, and with a Master’s Degree in Addiction Counseling from Grand Canyon University in 2017. He has been licensed by the Arizona Board of Behavioral Health as a Licensed Associate Substance Abuse Counselor since 2019. He has been with SB&H since 2013 and has served in many capacities, overseeing behavioral health residential facilities, chemical dependency programs, and multiple outpatient services sites. He has also overseen the housing programs in northern Arizona since 2015. His passion is to assist people with addiction to overcome their struggles and lead rewarding lives.

Bob Sanowski, VP Information Systems

Prior to SB&H, Sanowski was a senior IT leader for Dignity Health, now CommonSpirit Health, where he was responsible for organizational and large-scale projects across multiple IT disciplines. He also served as senior director of IT Mergers, Acquisitions and Joint Ventures where he was team lead for analysis and integration of joint venture and acquisition partners. As CIO of the Southern Nevada Service Area for Dignity Health, he was responsible for IT operational responsibility for the organization’s Southern Nevada hospitals and clinics. Additional experience includes leadership positions at United Health Group and Insurers Administrative Corp.

Michael Sweeney, MD, Chief Medical Officer

Dr. Michael Sweeney started with SB&H in 2019 and has served in a variety of administrative and clinical roles at the Psychiatric Annex of the Maricopa Medical Center, Alternative Behavioral Systems, ComCare and the Carl T. Hayden VA Medical Center. Dr. Sweeney graduated from the University of Arizona’s College of Medicine and did his psychiatric residency at Beth Israel Medical Center in New York City. He is a member of the American Psychiatric Association, American Academy of Psychiatrists in Alcoholism and Addictions and the American Association for Emergency Psychiatry.