Providers

Curtis Randolph

Director of Behavioral Health

The Behavioral Health Director oversees and is responsible for the provision of Behavioral Health (BH) services at NACA, ensuring they are in accordance with Arizona licensure requirements, nationally recognized standards of care, and various grant funding agencies. The BH Department provides substance abuse programming, suicide prevention education, behavioral/mental health counseling services, and the Pathways Youth Program. The BH Director clinically supervises the BH staff for both clinical stewardship, and meeting licensure standards.

Curtis Randolph, PhD, LPC, received his Bachelor of Science from Juniata College, and his Master of Education, Master of Arts, and his Doctorate of Philosophy from Northern Arizona University. Curtis is also a licensed professional counselor.

Curtis has vast experience as a Behavioral Health Director, Child and Family Therapist, Mental Health Consultant, School Counselor, Clinical Supervisor, and Group Counselor for DUI offenders. He has also been a Youth Advocate since 1995.

Curtis was born in Ganado, Arizona, and spent most of his youth in Keams Canyon, Arizona, where he developed a passion for serving Native peoples. Curtis loves traveling with his family, and fly fishing.

Cori Perkins

Cori Perkins, EdD, Licensed Psychologist, grew up in California and moved to the mountains of Arizona to go to Northern Arizona University. Cori has spent most of her career working with children, adolescents, and their families, helping them to deal with issues including anxiety, depression, learning and developmental disabilities, and ADHD. Cori taught in sciences and mathematics at Coconino High School for six years, where she realized that many of the young people she taught were struggling with issues that were impacting their lives and their ability to learn. She decided to pursue a career in the mental health field, and received her Doctoral degree in Counseling Psychology from NAU. She spent 15 years working with Hopi youth in the First Mesa area, and has also worked at several schools in Winslow and Flagstaff.
Cori also holds an Arizona School Psychologist’s Certification, and has expertise in working with children and adolescents with various disabilities including Autism, Specific Learning Disabilities, and Intellectual Disabilities. With an understanding of how these issues manifest at school, she enjoys advocating for them in the school setting. Cori has a strong belief that physical health is essential for mental health, and believes that NACA’s emphasis on overall wellness is a good fit for her. Cori is a dog lover and general outdoor enthusiast, and her favorite thing to do is ride bikes in the mountains with her family.

Clarissa Gibson

Clarissa Gibson, MS, LAC, received her Bachelor of Science in Psychology from the University of Idaho, and Master of Science in Counseling from the University of Wyoming. Her areas of focus include conducting domestic violence and substance use assessments, facilitating domestic violence intervention program groups, and working with adults and adolescents who are impacted by depression, anxiety, grief, and loss.
Clarissa is also passionate about working with children through the use of play therapy, and hopes to become a Registered Play Therapist. Clarissa believes it is a privilege to sit with and hear another person’s story. When provided a nurturing and supportive environment, she trusts that everyone has it within themselves to make the changes they hope to see. Clarissa enjoys going to the gym, hiking, and spending time with her family and cat.

Verda Denetsosie

Verda Denetsosie, BA, LISAC, received her Bachelor of Arts in Psychology from Northern Arizona University, and is also a licensed independent Substance Abuse Counselor in the state of Arizona. Verda has been serving the communities of Northern Arizona since 1992, and specializes in conducting assessments for court ordered referrals, facilitating group therapy, Motor Vehicle Division license reinstatements, and facilitating DUI education courses.

Verda has personal experience witnessing how recovery works, and believes she can reach the Native peoples of Northern Arizona with a message of the hope they can have through the process of recovery.

Verda loves to read mystery novels and watch movies, and calls it “candy for the mind.” She is learning traditional weaving, and enjoys walking and spending time with friends and family.

Teri Navakuku

Teri Navakuku, MSW, LMSW, received her Master of Social Work from Arizona State University and is a member of Phi Alpha Honor Society for Social Work. Teri is currently working towards obtaining her Licensed Clinical Social Worker (LCSW) license for the State of Arizona. Teri specializes in crisis interventions and providing support for mental health concerns. Mental health concerns include psychosis, post-traumatic stress disorder (PTSD), depression, and more. Teri also assists individuals in crisis situations, including but not limited to, suicidal/homicidal ideations, and substance abuse issues. Teri hopes to get certified in Play Therapy primarily geared toward youth. Play therapy encourages a child to explore life events that may influence current environments through play (clay, sand tray, etc.).

Teri is a member of the Hopi and Navajo tribes, and was born and raised in Kayenta, Arizona. Coming from the reservation communities, Teri saw a need to work with youth, and hopes to be the light to one’s personal growth. Teri enjoys spending time with her family and puppy. She also enjoys hiking, being culturally active, traveling, going to metal concerts, and staying physically active.

Jonathan Yellowhair

Jonathan Yellowhair, MS, LAC, NCC, received his Master of Science degree in Clinical Mental Health Counseling from Georgia State University, and is a United States Marine Corps Veteran, with deployments to Iraq and Afghanistan. As a member of the Navajo Nation, Jonathan finds it imperative to implement cultural teachings from his family in Chilchinbeto, Arizona, directly into his work in Flagstaff. He conducts assessments, and is passionate about facilitating groups for clients mandated from the courts, and individuals navigating substance use disorders. His focus areas also include adolescents, trauma, domestic violence, cultural identity, depression, and social anxiety.

Jonathan emphatically advocates for people in recovery/sobriety and believes that everyone has the innate ability to heal themselves by embracing the right process. His work is grounded in helping his Navajo community, but he has also been fortunate to have learned and worked in marginalized African American and Hispanic/Latinx communities in Atlanta, Georgia.

Jonathan loves his pitbulls, Mowgli and Baloo, and enjoys taking them for long walks on trails. He is passionate about spending time with his family, and advocating for his tribe and for Indigenous people in his community.

Hannah Going

Hannah Going, MSW, received her Master of Social Work from Arizona State University. Currently, Hannah is working toward obtaining her Licensed Master Social Work (LMSW) and Licensed Clinical Social Worker (LCSW) licensures for the state of Arizona. Hannah is also the co-author of “Tribal Leadership and Care Services: ‘Overcoming These Divisions That Keep Us Apart,'” which was published in the Health and Social Work journal in August 2020.

Hannah specializes in substance use and co-occurring disorders such as anxiety, depression, and PTSD. Hannah has experience using CBT, DBT, and Matrix Model treatment with her clients.

Hannah enjoys biking, ice skating, and yoga, as well as visiting her family, and traveling.

Christopher David

Christopher David, MS, LPC, LCMHC, received his Master of Science in Clinical Mental Health Counseling from the University of Phoenix, and is a member of the Navajo Nation. Chris has received education/certificates in: Dialectical Behavioral Therapy (DBT), Basic Eye Movement Desensitization and Reprocessing (EDMR), Cognitive Behavioral Therapy – Trauma Focused TH – CBT, Sandtray Therapy, Grief Therapy, White Bison Wellbriety: Medicine Wheel/12 step – Red Road Recovery, Mending Broken Hearts, and Warrior Down Recovery Coaching.

Chris focuses on adolescent and adult care, with experience in working with individuals who struggle with substance abuse and addiction, depression, anxiety, trauma, and suicidal ideation. He uses holistic (traditional) and evidence-based practices, and strives to have a client-led practice where the client’s goals are self-defined, and it is a collaborative process. Chris aims to provide a safe and professional environment so patients will leave therapy with healthy coping skills, increased self-worth, and empowerment to keep leading the Hozho (balance) life that they want.

Chris is new to the Flagstaff area and loves to explore the mountains, and fish in the beautiful lakes in the area. He is also a self-taught Native American flute artist and music composer.