ARC Leadership

Chief Executive Officers

Eric Guyer, President & CEO

ARC President & CEO Eric Guyer, MM, CADC III, first joined the team in January 2023 as Chief Clinical Officer and Deputy Director. He is a level III Certified Alcohol and Drug Counselor and brings with him 25 years of experience working with Jackson County, most recently as Director of Jackson County Community Justice. He earned a Bachelor’s Degree from the University of Oregon and a Master’s of Management Degree from Southern Oregon University (SOU), providing him the perfect background to fulfil his roles and responsibilities at ARC.

Eric has worked as a Head Coach of the Boys Basketball team at St. Mary’s School and has taught several community corrections-related classes at SOU as an Adjunct Professor. Prior to joining the ARC, Eric served as the Chair of the Local Public Safety Coordinating Council and Chair of the Alcohol and Drug Planning Committee for Jackson County and as the Past-President of the Oregon Association of Community Corrections Directors.

Dori Best, Chief Clinical Officer

Born and raised in Argentina, Dori Best dedicated her life to health and wellness as a PE teacher, as a trainer, and as a triathlete. In her late 30s, she moved to the US in search of furthering her education and becoming a mental health counselor. In 2015, she graduated with a master’s degree in mental health counseling, and two years later, motivated to help people with co-occurring disorders, she obtained a certification in substance use disorder (CADC) Before and after graduation, she worked in outpatient and impatient substance use disorder treatment centers, and in 2017, motivated to provide services to the underserved population, she applied at La Clinica Del Valle, where until recently she worked as a bilingual behavioral health clinician and Certified Drug and Alcohol Counselor. Dori has served for the Phoenix Counseling Center’s board of directors, for the Local Alcohol and Drug Planning Committee, and for the Mental Health and Disabilities Planning Committee.

Doug Diehl, Chief Medical Officer

Doug Diehl, MD and his family moved to Southern Oregon in 2002 where he joined the staff at Ashland Community Hospital and became the Medical Director of the O.R. and managing partner of his anesthesia group. He served in numerous clinical and administrative leadership roles as well as serving on the hospital board of directors during his tenure. As Board chair, Doug was instrumental in guiding the affiliation with the Asante Health System after which he joined Asante Physician Partners as Executive Medical Director and subsequent Chief Medical Officer.

Amber Duncan, Chief Administration Officer

ARC Chief Administration Officer Amber Duncan has been an integral part of our team since November 2021, when she joined ARC as an HR Generalist. In June 2022, she assumed the role of HR Director, where she has played a pivotal role in shaping our HR strategy and fostering a culture of employee wellbeing.

Amber came to work in behavioral health following a progressive human resources career that garnered extensive, invaluable experience in recruitment, employee benefits, employee engagement and relations, as well as policy development and HRIS implementation. She currently lives in Grants Pass with her husband, children, and 5 dogs.

Mónica Morales, Chief Financial Officer

Mónica Morales joined ARC as the agency’s Chief Financial Officer in March 2024 with more than 25 years in accounting and finance. She was born in Madrid and grew up in the South of Spain, eventually earning a BS in Business from the University of Cadiz and an MBA from the Instituto de Empresa. After years spent working for organizations in different sectors and in locations from Spain to France, Mónica met her husband who is from Medford, and in 2003 relocated to the Rogue Valley where they raised their two children. Here Mónica also continued her career in finance, most recently working as a Certified Public Accountant and the Chief Financial Officer at Medical Eye Center, where she successfully led and implemented multiple initiatives to improve their accounting and reporting systems.

Mónica has also long been engaged in community service, starting as a volunteer for the SMART program, later serving on the Board of the Family Nurture Center, and currently as the Vice President of the Board of Directors at La Clinica Del Valle.

Danni Swafford, Chief Operations Officer

Danni Swafford earned her degree in business administration from Southern Oregon University and was drawn to nonprofit work in health care and social services to make a difference in people’s lives. Since March 2005, she has served in many different roles at Addictions Recovery Center including reception, admissions, customer service, operations and compliance before becoming ARC’s Chief Operations Officer in November 2017. She is dedicated to improving access and quality of care for the individuals we serve.

ARC Directors

Carrie Chisholm, Residential Clinical Director

Carrie Chisholm, BS, CADC II is ARC’ s Residential Clinical Director Programs, after serving as a clinical supervisor and a residential counselor for the agency. She has been a substance use disorder counselor for 15 years and has a BS in Human Development and Family Sciences from Oregon State University.

Currently, Carrie is certified through MHACBO and is a CADC II. Carrie’s previous experience is in the juvenile justice system and in outpatient and residential SUD services with other local agencies.

Robert Haas, Accounting Director

Robert Haas has been with Addictions Recovery Center, Inc. (ARC) since May of 2018. Robert served on the ARC’s Board of Directors from 2001 to 2010, including two terms as Board President. He comes with 20 years of accounting experience including consolidated financial accounting, quarterly and annual audits, managing reserves, accruals, and pre-paid accounts, as well as data warehousing and reporting on all information. Robert is engaged in the recovery community and is an active member of the ARC Alumni.

Shannon Haas, Operational Systems Director

Shannon Haas has been an integral part of the ARC team since joining the agency in June 2016 as a database coordinator, before becoming Information Systems Manager in March 2018. Throughout her time, Shannon has consistently demonstrated exceptional technical skills and attention to detail, and her curiosity, collaborative nature, critical thinking, and problem-solving abilities have made a profound impact on our team and mission. As Operational Systems Director, Shannon will continue to oversee the maintenance and development of our IT, EHR, and Data infrastructures, as well as collaborate across departments and support the continuous improvement of our evolving systems, workflows, and needs.

Darryl S. Inaba, Clinical Services Director

Darryl S. Inaba, PharmD, CATC V, CADC III has served as Director of Clinical and Behavioral Health Service for the Addictions Recovery Center, Inc. since 2009. He is also CEO of CNS Productions, Inc. Dr. Inaba is a Lifetime Fellow of the Haight Ashbury Free Clinics in San Francisco.

Dr. Inaba is noted for his work in developing culturally consistent treatment services with the National Asian Pacific American Families Against Substance Abuse and the Glide Memorial Church’s African American Extended Family Recovery Center in San Francisco. Additionally, he has served on numerous boards and commissions and has authored several publications and award-winning educational videos on all aspects of substance abuse work. His major work is Uppers, Downer, All Arounders used as the principal text on substance use disorders in over 400 U.S. universities.

Tiffany Linder, Program Improvement Director

Tiffany Linder joined the ARC team in September 2023 as the agency’s Residential Operations Manager, providing support, structure, and oversight of our residential programs, while developing process improvement, cross training procedures, and helping bridge the gap between the admissions and outpatient teams. Prior to joining ARC, Tiffany had 15 years’ experience in leadership positions and 10 years’ experience in the medical field, most recently as a Practice Manager then Regional Manager for One Peak Medical, where she oversaw operations of 11 separate clinics. It is this experience and expertise, as well as all that she has accomplished as part of the ARC team, that made Tiffany the perfect person to fill our Program Improvement Director role.

Travis Lowe, Compliance Director

Travis Lowe started with Addictions Recovery Center, Inc. (ARC) in March of 2022. He earned a Bachelor of Science in Criminology in 2016 from Southern Oregon University and previously worked seven years for Jackson County Community Justice as a Community Justice Officer and Supervisor. Travis joins the agency with experience in training and fidelity to educational curriculums, monitoring the facility-wide compliance to both federal and state laws, and monitoring contractual terms, grant requirements, and facility protocols.

Dottie Oliveira, Medical Director

Dottie Oliveira, FNP has been a nurse for more than 30 years. She began her career focusing on Women’s and Children’s Health service areas. She graduated from Gonzaga University with a master’s degree in Nursing in 2012. She has worked as a nurse practitioner in family practice and pain management but found her true calling in addiction medicine. She joined ARC in March 2018 serving as Medical Director.

Kim Oveson, Peer Services Clinical Director

Kim Oveson, MS, CADC II, CCFC, serves as Peer Services Clinical Director at ARC after a 3-year appointment as the agency’s Chief Clinical Officer. This highlights a long carrier in the Behavioral Health field including developing Behavioral Health programs in the medical field and being in private practice focusing on grief, loss, depression, and anxiety. Kim holds a master’s degree in Clinical Psychology and is certified as a Drug and Alcohol and Clinical Forensic Counselor with close to 34 years of experience. Currently Kim serves on the Jackson County Continuum of Care Board, where she provides community guidance using her expertise in trauma informed care and leadership development.

Joe Wilson, Communications Director

Joe Wilson joined Addictions Recovery Center in May 2015, bringing with him a bevy of experience from a long and wide-ranging work history which includes everything from landscaping to retail management to newscast producer. This versatility, combined with his BS in Communications and Emergent Media, makes Joe adaptable to the diverse and varied needs of the agency in his role. Joe’s passion for mission-based work, and the health of individuals, families and the community, drives him to help make ARC an innovative industry leader.