Our Staff
A staff of professionals who have been touched by disability.
Dianna Hansen
Co-Founder and
Executive Director
Dianna is a 2010 graduate of the Partners in Policymaking program, holds a degree from the Beegle Poverty Institute, and has previously served as the Chair of the State Interagency Coordinating Council.
Dianna brings a wealth of expertise to her work. She is a certified Person-Centered Plan Facilitator, a Certified Youth Mental Health First Aid Trainer, and has received training in Restorative Practices through the IIRP. Her professional background includes extensive experience in business management, marketing, and accounting fields.
What truly sets Dianna apart is her personal commitment to the cause. As a parent of a daughter with Down syndrome, she brings a unique and deeply personal perspective to her work. It was this lived experience that motivated her to establish CODSN in response to the scarcity of resources and information available in Central and Eastern Oregon communities. Dianna is dedicated to supporting, advocating for, educating, and equipping individuals, families, and professionals in the field of disability.
Jenny Cavarno
Program Director
Jenny is a Partners in Policymaking graduate and is certified in Person-Centered Path training. She has also received training in Poverty Informed Care, Supported Decision-Making, Trauma-Informed Care and additional youth training. She comes to CODSN with experience serving as Program Coordinator and Director at FACT Oregon (Oregon’s Parent Training & Information center). Jenny is passionate in her work and believes that all people have the right to a happy and whole life.
Shela Buerger
Office Manager
As the Records Manager for RVHS’s SPED department for 3 years, she became very familiar with the IEP process and the importance of having both the parents and students involved to make the best plan for the education of the students. Having a child with dyslexia, she also brings experience in advocating for her own child’s support needs with a 504 plan.
Shela is very excited to join CODSN and be involved in connecting with and supporting families as they navigate raising their children with disabilities.
Callie Kackley
Lead Program Coordinator
Callie is a graduate of NWDSA’s 2015 Kindergarten Inclusion Cohort and the 2018 Strong Start Parent Leadership Program. She is Youth Mental Health First Aid trained and has received training in Trauma Informed Care, Poverty Informed Care, Latino Outreach, Person-Centered Planning and Supported-Decision Making. Callie sits on the State Advisory Council on Special Education with the Oregon Department of Education and also represents CODSN on the Developmental Disability Coalition. Callie is passionate for for ensuring people are fully included both in education and whole life and she is committed to paving a path for all children to belong in meaningful ways in their schools, communities and relationships. She loves connecting with and supporting families to have high expectations, develop a strong vision for the future and to understand their rights as they navigate raising their kids with disabilities.
Stefany Cunningham
Lead Program Coordinator Volunteer Coordinator
Stefany’s passion for life-long learning drives her to endlessly seek out continuing education courses and books concerning child development, self-regulation, neurodiversity, augmentative and alternative communication, and supporting all children in becoming self-determined and life-long learners. At the heart of Stefany’s love for learning is her bright, funny, and courageous son, who is neurodivergent and has complex communication needs. Stefany values differences, the voices of self-advocates within the disability community, and her life as a mom. Each day, she aims to learn something new that empowers her to provide her son – and all individuals with complex support needs – the support, care, and advocacy they deserve.
Stephanie Sullivan
Program Coordinator- Klamath County
Stephanie grew up in Central Oregon where she earned her dental assisting degree and then later pursued her degree in Criminal Justice. She currently resides in Klamath County. She is resourceful, friendly, and finds joy in helping others. Her decision to become a resource parent and adopt two additional children is a true testament to her unwavering commitment to the nurturing and caring of others.
Nichole Adamson
Program Coordinator –
Harney County
Raising 3 children, her oldest daughter Emma was diagnosed with Prader Willi Syndrome at age 12. For the past 22 years Nichole has learned to navigate the world of developmental disabilities and orthopedic impairments from birth to young adulthood. Most recently her and Emma, along with family and friends, have created a home-school transitions program, with job development and coaching in their very, very rural community of SE Oregon.
Nichole is looking forward to bringing her passion for community and serving others to CODSN. She is excited to learn more about the members of her community and how we can continue to support Harney County.
Christi Zorrilla Soto
Spanish Bilingual
Program Coordinator
Christi was raised by her mother, whose experience with disability shaped her understanding of the challenges and strengths within families navigating disability. Raised in this environment, she later experienced the broader world outside her home and saw how accessibility—or the lack of it—shapes people’s opportunities and experiences. Christi holds a Bachelor of Fine Arts and a Master’s in Education, and brings extensive experience in arts education and nonprofit program management, having developed programs that center diverse voices and foster community connection. She is passionate about creating spaces where people of all abilities feel seen, supported, and empowered to explore their potential.
Yamilex Gutierrez
Spanish Bilingual
Program Assistant
Yamilex brings strength to the CODSN team with skills as a bi-lingual staff member and is fluent in both English and Spanish. Yamilex comes from a small town and brings the perspective of living in a rural community as well as lived experience to this work.
Yamilex has received training in Poverty Informed Care with Dr. Donna Beegle, Trauma Informed Care and Latino Outreach. She loves supporting people through providing Wraparound Services to those affected by COVID-19 by implementing CODSN’s work as an OHA Community Based Organization on the ground in Lake and Klamath counties. She is especially skilled at providing support to families who speak Spanish. Yamilex believes that we have a lot to learn from those who are not like us and she is always looking to learn more. We are grateful to have her on the team at CODSN.
Jen Martinez
Program Assistant
Jen is certified in Youth Mental Health First Aid and has received training in Poverty Informed care, Trauma Informed Care, Working with Native Families and additional youth training. Jen strives to connect with and support kids and their families on their unique journeys.









