At Hopelight, hope is the solid foundation of every service we provide! The caring Hopelight team is dedicated to supporting the “whole” person as a unique individual, full of potential. At Hopelight Behavioral Health, we combine the evidence based science of Applied Behavior Analysis (ABA) with a compassionate personally supportive approach for each and every client. As often as possible, we treat the behavior of the individual within the context of the family to foster and support sustainable positive behavioral change. At Hopelight Behavioral Health, our goal is to empower each and every client to make positive behavioral changes for meaningful personal growth and development.

Shyll Bowen, M.Ed., BCBA
Senior Director
Shyll Bowen is the senior director of Hopelight Behavioral Health. She holds a master’s degree in special education and is a Board Certified Behavior Analyst (BCBA). Shyll has worked with children, both typically developing and with special developmental needs, for over 40 years. She has taught and served as a behavioral specialist for children in preschool through high school in both private and public settings in the various locations in the United States and abroad. Shyll provides professional development for teachers and parent training courses. Shyll founded Hopelight Behavioral Health in 2015, and it has embodied her passion to bring hope and joy to the lives of our clients and their families as it has grown through the years.
Trevor Dahl, BCBA
Deputy Director
Hannah Klein, BCBA
Director of Behavior Analyst Supervision
Hannah is a Colorado native who received her BCBA in 2023. She has a passion for working with people with diverse diagnoses and behavioral needs. She works to develop and implement treatment plans to increase skills and decrease interfering behaviors for children and adults in the Longmont community. She has a passion for increasing the quality of life of her clients and their families. In her free time, Hannah enjoys digging into a good mystery novel or spending time with friends.
Hannah has worked for Hopelight for many years, starting as a behavior technician and now serving as a BCBA and Director of Behavior Analyst Supervision for Hopelight. Hannah ensures the continued strength and high competency of our Behavior Analyst team by providing excellent training and supervision for our BCBA candidates. She specializes in offering behavior analytic services through the lens of trauma informed care. Hannah’s passion is to create a compassionate supportive environment in which Hopelight clients, families, and staff can grow to their greatest potential.
Kim Dahl, BCaBA
Behavioral Operations Coordinator
Kim is a Colorado Native who graduated with a Bachelor of Arts degree in psychology with a minor in criminology and criminal justice from the University of Northern Colorado before becoming a BCaBA. She has been working with our Hopelight community for many years, first as a behavior technician, then as a behavior analyst, and now as the Coordinator of Behavioral Operations. She is excited to see the individual growth our clients make every day. Kim is passionate about partnering with Spanish speaking families and serves as the day to day heart of our admin operations for Hopelight Behavioral Health. She ensures the ongoing high quality of our services, facilitates each intake process, and creates a strong supportive community for our Hopelight Behavioral Health staff.
Aubree Grinstead, BCBA
Coordinator of RBT Development and Supervision
Madelyn Sauer, BCBA
Coordinator of Collaborative Services
John Allen, BCBA
Coordinator of School Based ABA Services
Tiffany Cooley
Behavior Analyst
Michelle Kramer, OTR/L
Pediatric Occupational Therapist
Michelle is a pediatric occupational therapist with over 30 years of experience empowering children and their families to build the skills and confidence needed for everyday life. She is passionate about building meaningful relationships with the clients she serves and supporting each child’s unique development through individualized, evidence-based care.
Michelle has special interest and expertise in autism spectrum disorder, ADHD, sensory processing, feeding, handwriting, coordination challenges, fine motor development, and social skills.
Michelle has been part of the Hopelight team since 2016 and values the collaborative environment where occupational therapy and ABA providers work together to support each child’s individual needs. She appreciates the opportunity to partner with the ABA team and families to help children build skills, increase independence, and thrive.
Michelle is a Colorado native and lives in Lyons with her husband. They have two young adult daughters.
Speech Language Pathologist
Lindsey Wilson, PT, DPT
Physical Therapist/ Director of Rehabilitation
Lindsey has lived in Colorado for over a decade and has worked as a pediatric physical therapist for over 12 years. She began working at Hopelight during the summer of 2025 and has always appreciated the impact that this company has on the community of Longmont. She worked within an interdisciplinary setting prior to coming to Hopelight and has further expanded her treatment skills while partnering with the ABA team here. Lindsey enjoys building relationships with children and their families and loves to watch them grow towards living their best lives. She has experience with a variety of patient populations, such as autism spectrum disorder, ADHD, cerebral palsy, trisomy 21, various genetic disorders and neurological impairments. Lindsey is a Spanish-language learner and enjoys having the opportunity to communicate with patient’s families and continue to grow in this area.
When she is not at work Lindsey enjoys spending time with her husband, James, who works as the clinical pharmacist and assistant Medical Director at Hopelight Medical Clinic. Her hobbies include gardening, being outside, reading, cooking and loves a good craft with friends.
