Heidi J. Hynes, OTR/L

Heidi has been a pediatric occupational therapist for over thirty years. She founded Therapy Services for Children in 1990. Her career has focused on helping parents and children with developmental differences and challenging behaviors.

Education: Bachelor of Science in Occupational Therapy - University of Washington

Professional Interests/Specialties: Autism Spectrum Disorder, sensory processing difficulties, anxiety, ADHD, parenting challenging and difficult children, sleep challenges, eating challenges, nutrition

Advanced Training/Certifications: Collaborative Problem Solving - Level One Clinical Training with Ross Greene, Interactive Metronome Clinical Certification, Sensory Integration Certification, Administering the Sensory Integration and Praxis Test (SIPT), The S.O.S. (Sequential Oral Sensory) Approach to Feeding, Handwriting Without Tears, A 3 Step Approach to Nurturing Interoceptive Awareness

Hannah Michlmayr, OTR/L Hannah is a pediatric occupational therapist with a passion for utilizing the power of play to help kids make sense of themselves and the world around them. She believes in a holistic, strengths-based, and collaborative approach, and enjoys working with not only the child, but also the family, to explore strategies and supports across settings so that children can reach their highest potential. Much of her therapy is based in fostering confidence and resilience in managing and responding to daily challenges.

Education: Master of Science in Occupational Therapy - Puget Sound; Bachelor of Science in Communication Disorders - University of Massachusetts-Amherst

Professional Interests/Specialties: feeding, interoception, emotional regulation, strengths-based approaches to Autism Spectrum Disorder, ADHD, executive functioning, sensory processing difficulties, anxiety, gross motor coordination and motor planning.

Advanced Training/Certifications: The Sequential Oral Sensory (SOS) Approach to Feeding: 4-Day Course and Mentorship Program, AEOIU Approach to Eating, 3 Steps to Improving Interoception, the Learn Play Thrive Approach to Autism, Neuro-Developmental Treatment for The Child with Autism Spectrum Disorder: Treating the Movement Challenges of ASD, and Intro to DIR Floortime

Yhali Gat, OTR/L Yhali is a pediatric occupational therapist with experience working with children with special needs in a variety of clinical environments in both Israel and the United States, including school-based therapy, outpatient clinics, medical centers, and pediatric home health. She has clinical experience working with children to address motor skills, sensory processing, executive functioning, self-regulation, and feeding challenges. Yhali’s treatment is family-focused, and she believes that function improves by creating opportunities to build skills in day-to-day life. In her work, she sees huge potential for change and improvement in the small things and seeks to help her clients in a fun and motivating way. Yhali loves working with kids because they are genuine and give her many play opportunities.

Education: Master of Science in Occupational Therapy - Hebrew University (Israel)

Professional Interests/Specialties: Neurodiversity affirming care, Autism, sensory processing

Advanced Training/Certifications: training in Israel with preterm infants, sensory processing, Autism, health management, Learning disabilities, ADHD, non-violent communication approach, DIR Floortime, trauma informed care, feeding

Callie Batts, OTR/L

Callie is a pediatric occupational therapist and mother of two young children, with over a decade of clinical experience supporting children with neurodevelopmental, sensory, and behavioral differences. She views behavior as a meaningful form of communication and is dedicated to recognizing and nurturing each child’s unique strengths. Her practice is rooted in a play-based, relationship-centered approach that fosters meaningful connections and promotes neurodiversity-affirming care. Callie is committed to reducing stress for children and their families

Education: Master of Science in Occupational Therapy - San José State University, Bachelor of Arts in Psychology - University of Washington

Professional Interests/Specialties: Autism Spectrum Disorder, sensory processing, fine motor challenges, self-regulation, handwriting remediation, ADHD, anxiety, low-toxicity living, health & wellness

Advanced Training/Certifications: Interactive Metronome Clinical Certification, Sensory Integration Certification, Administering the Sensory Integration and Praxis Test (SIPT), The S.O.S. (Sequential Oral Sensory) Approach to Feeding, Evidence-Based Strategies for Managing ADHD Across the Lifespan, Mindfulness Certificate Course for Treating Kids and Teens, Collaborative & Proactive Solutions (Dr. Ross Greene), A 3 Step Approach to Nurturing Interoceptive Awareness

Maddie Leidig, OTR/L Maddie is a pediatric occupational therapist with a passion for children’s mental health and supporting kids in reaching their full potential through play and meaningful connection. She worked in therapeutic horseback riding with children with special needs for 3 years before pursuing and receiving her Doctorate in Occupational Therapy. She has specialized training in Kelly’s Mahler’s Interoceptive Awareness curriculum, Bringing the Energy through Autism Level UP!, and Dr. Ross Greene’s Collaborative and Proactive Solutions approach. Maddie uses a holistic, strength-based, neurodiversity-affirming lens to guide her play-centered approach. She prioritizes connection, collaboration, and building resilience in both children and their families. She is committed to helping every child feel safe, seen, and successful across their home, school, and community environments.

Education: Doctorate of Occupational Therapy – Rocky Mountain College, Bachelor of Science in Biology – Western Washington University

Professional Interests/Specialties: Pediatric mental health, anxiety, interoceptive awareness, emotional regulation, sensory processing, social-emotional learning, parent and caregiver education, trauma-informed care

Advanced Training/Certifications: A 3-step Approach to Nurturing Interoceptive Awareness, Bringing the Energy: And All the Autism Level UP! Tools to Support It!, Lives in the Balance Summit 2025: Current Thinking About Autism and PDA