Relationship-Focused Behavior Therapy and Parent Collaboration

Meet Katrina Ketterer, MA, BCBA, LBA
Founder & Owner

Katrina Ketterer is a Board Certified and Licensed Behavior Analyst with over a decade of experience in the field of Applied Behavior Analysis. She holds a Master’s degree in Teaching with a specialization in ABA from National University and has worked in a variety of clinical, school-based, and telehealth settings across the country.

Katrina has led teams as a Clinical Director,  and BCBA Supervisor, and brings a deep commitment to compassionate, play-based, and assent-centered care. Her approach focuses on empowering children and families through individualized, evidence-based strategies that support meaningful progress and lifelong learning.

Known for her collaborative and relationship-focused style, Katrina values open communication, clinical integrity, and joy in the therapy process. She founded Tiny Wonders ABA with a vision to provide high-quality, family-centered ABA services that prioritize trust, respect, and real-world impact. Katrina is trained in trauma-informed care and several assessment tools. She is currently pursuing certification as a Behavioral Sleep Specialist to further support families with sleep-related challenges.

She is also passionate about mentoring new BCBAs and supporting the professional growth of others in the field.

When she’s not working, Katrina is a mom to an energetic little guy and loves spending time outdoors, discovering new restaurants, and checking out the many great coffee shops around Portland.