Nurturing Little Minds, One Wonder at a Time

BCBA-Direct Therapy and Parent Collaboration

A unique and personalized approach to ABA. All services are performed by a Board Certified Behavior Analyst with 10+ years of experience. Compassionate care and effective techniques fostering growth and positive change in Portland, Oregon. Begin your journey today.
Mom and boy are playing with train and wooden blocks.

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.

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Unlock Your Child's Potential

Tiny Wonders offers innovative behavior therapy techniques designed to help children thrive. Our personalized approach empowers children to overcome challenges and embrace their unique abilities, fostering growth and development in a supportive environment. Discover the wonders of tailored therapy with us today.

Little girl excited and laughing while playing with her mother

Rooted in Connection