Our Instructors

John Hahn LMFT, SUDP

After graduating with a Master’s degree in Marriage and Family Therapy, John moved from Indiana to the Pacific Northwest. His early career was working with addicted youth and their families in both residential and outpatient settings. He later worked with chemically addicted adults and then with partners and family members who were impacted by someone else’s substance use or compulsive behaviors.

He has studied Bowen Family System’s therapy and for 18 years, he was involved in a monthly consultation group dedicated to that theory.

He has presented at statewide, local, and national trainings and conferences and was a college instructor for 10 years, teaching in the Addiction Counselor Education Program.

John maintained a private practice for 10 years focusing on relational and family of origin issues. He also offered clinical supervision for therapists seeking state licensure. He maintains his state approved supervisory status.
John is a Clinical Fellow in the American Association for Marriage and Family Therapy (AAMFT). 
He enjoys hiking, biking, playing guitar and traveling with his family in his leisure time.

John Hahn offers individual and couples therapy.  He also offers clinical consultation and supervision for therapists.  For additional information on these services, visit his website John Hahn Counseling – Pacific Crest Clinical Advancement Institute

Jennifer Cheshire MS SUDP CADCIII

Jennifer earned a Bachelor of Science in Psychology and Spanish from the University of Oregon Clark Honors College, where she contributed to NIH and 5 Factor Personality research.  She has a Masters in Psychology from the University of Palo Alto.  She is a Substance Use Disorder Professional in the State of Washington and a Certified Alcohol and Drug Counselor III in Oregon.  Jennifer has been working with substance abuse and mental health clients for over 20 years.  She has been providing counseling services in the Clark County area since 2000.  As a college instructor, she taught Air & Blood Borne Pathogens, Law & Ethics, and Pharmacology. 

In addition to assessments, direct 1:1 and group therapy, Jennifer has experience as a substance use program supervisor and administrator.  She has expertise in curriculum development, policy & procedure for therapy programs, and state/ private insurance review corrective action plans.  She has spoken at state-wide substance use conferences, provided on-site and private supervision/training, and held independent national training conferences offering CEUs for substance use, mental health, and other helping professionals.  She serves on the Board of Directors for Unite! Washougal. Additional skill sets include website design, public speaking, and meditation instruction. 

In her leisure time, Jennifer enjoys being outdoors with her family, cooking, gardening, canning, ballroom dancing, and environmental activism. She is a volunteer with several local organizations focusing on substance use prevention, social service and social justice. She is currently a Master Gardener Intern and a member of the Master Gardener Foundation of Clark County. In 2020 Jennifer received the Southwest Washington Regional Prevention Advocacy Leadership Award. In 2021 she received the Washougal Community Coalition IMPACT award. In 2022 she received the Gina L Farah “Heart of a Volunteer” Award. 

If you would like to schedule an individual clinical consultation session or guided meditation session with Jennifer Cheshire, please message her at pacificcrestclinical@gmail.com.

Kori Lynn Anderson, FNP-C, ARNP

Kori Lynn Anderson, FNP-C, ARNP has been a Family Nurse Practitioner for over 13 years, practicing in Women’s and Reproductive Health, Primary care, Immediate care, and Aesthetic medicine. 

Her passion is working with patients to provide care to the whole person. To allow patients to obtain wellness working as a team to enhance their optimum health. 

Kori is a native Oregonian, living in the Portland Metro Area with her husband for the past 22 years. She is the mother of two school aged children who are the joy of her life. Kori is a violinist in the Oregon Sinfonietta, performing with this group for over 20 years. She also enjoys staying active outside with hiking, outrigger paddling, and skiing. 

Ramon Zelaya, LPC-S

Ramon Zelaya is a Licensed Professional Counselor in the Greater New Orleans area.  As a clinician, Mr. Zelaya has worked in a variety of settings, with the most extensive experience in treating addictive/compulsive behaviors and anxiety-related symptoms.  

He has served as a problem gambling counselor in Clackamas, Oregon, served as a Problem Gambling Prevention Coordinator for Clackamas County, and has the honor of having presented for the National Council on Problem Gambling conference.  

Ramon is interested in applying clinical expertise to the tech world with coding in HTML, CSS, Javascript, and exploring the UX side of service work.  He is a strong advocate for workers’ rights, work culture reform, climate policy reform, and social justice. 

A. Del Quest, PhD, MSW, LCSW

Dr. Quest practiced as a clinical social worker prior to beginning a teaching career. Her research focuses on how best to support and train emerging professionals for the diverse and challenging situations they will face in the field. She is primarily interested in how social environments impact young people and how social workers and mental health providers can best offer culturally responsive services. Her research includes topics related to suicide prevention, intervention, and postvention, advanced generalist social work curriculum, LGBTQ youth, and youth in out of home care.

Dr. Quest develops and teaches semester-long courses on suicide prevention, intervention, and postvention strategies to MSW students at two universities. A part of her community service work is devoted to increasing suicide education to graduate students in mental health professional training programs. 

She makes every effort to practice what she preaches to students about the importance of self care through kite flying, playing with her canine companion, gardening, and spending time with family.

Jenny Vrtiska, Administrative Services Technician

Jenny earned an Associates in Accounting and has experience working in varied settings including banking, retail, construction, mental health treatment, substance use treatment, and emergency services.  She is skilled in office management and acting as a liaison between therapists, treatment organizations, and the community.  Jenny is a Pacific Northwest native and enjoys exploring nature and photography.  She loves attending various family-friendly events held in the community with her husband and two children.  

Danny Lin, Administration & Events

Danny Lin earned a Bachelor of Arts in Psychology & Communication from Washington State University. He served as the Vice President of the ASWSU International Students’ Council at Washington State University. He has experience in event planning, community service, administration, and customer service.  He is fluent in both Mandarin Chinese and English. 

In his leisure time, Danny enjoys giving back to his community, meditation, relaxing in nature, spending time with friends & family, and hiking.