Welcome to Horizon ABA, where hope and compassion converge to shape the future of every one of our clients.

We believe in not just providing therapy, but creating an environment where both our clients and employees thrive. Our commitment to cultivating a supportive community includes comprehensive training programs designed to enhance staff expertise and performance. We offer incentives that fuel professional growth, ensuring our team feels valued and appreciated.

What is important to us at Horizon ABA


Partner families with clinical interventionists to ensure socially significant, evidenced-based, developmentally-appropriate support for families of children with Autism.


We are focused on providing a safe, collaborative, and inclusive environment to create outcomes that last a lifetime. In order to individualize our treatment, we prioritize neurodiversity, self-advocacy, and team collaboration within our support model.


At Horizon, we value empathy, excellence, and growth

About our CEO & Founder

Cheskel Kahan

Cheskel is a passionate and experienced healthcare leader who has dedicated his career to improving the lives of individuals with autism and related disorders. With 14 years of experience in healthcare, Cheskel has a deep understanding of the importance of innovative and effective treatment approaches.

As the founder and CEO of Horizon ABA, Cheskel is driven by a vision to provide high-quality, personalized ABA therapy that empowers individuals. With a focus on compassion, collaboration, and innovation, Cheskel is building a team of dedicated and experienced professionals who share this vision and are committed to delivering exceptional care.

Known for his warm and empathetic approach, Cheskel has earned a reputation as a beloved and respected leader in the healthcare community. Through Horizon ABA, he aims to make a meaningful impact in the lives of individuals with autism and related disorders, and to make a lasting difference in the communities we serve.

About our CCO

Jessie Marshall, MAS, BCBA, LBA

Jessie is a licensed Board Certified Behavior Analyst in Gilbert, AZ. As the Chief Clinical Officer at Horizon ABA, she oversees all clinical assessment, programming and training. Jessie received her undergraduate degree in Psychology from the University of Arizona, her Master’s degree in Infant Family Practice from Arizona State University, and completed her behavior analytic coursework through Florida Institute of Technology.

As a BCBA, Jessie has developed an inclusion preschool program for children with and without disabilities, created a social skills group for school-age children, partnered with private educational facilities to assist school personnel in improving student learning environments, presented at Association for Behavior Analysis International (ABAI) on client outcomes, and serves as Adjunct Faculty for Purdue Global and South Mountain Community College. Jessie also serves on the Board of Directors for Arizona Association for Behavior Analysis (AzABA) and holds Committee Chair positions for the Ethics Committee. Her professional interests include supporting and identifying developmentally appropriate treatment outcomes, compassionate care for families, quality assurance monitoring, and prioritizing neurodivergence in her practice.

Coming soon to Queen Creek and San Tan Valley

25 S Arizona Pl Fl 5

Chandler, AZ 85225-5533

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