Our Team

At Hopelight, hope is the solid foundation of every service we provide! The caring Christian 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, MEd, BCBA

Heather Schmitt

Michelle Kramer, OTR/L

Behavioral Health Director


Shyll Bowen is director of behavioral health for Hopelight Medical Clinic. 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 25 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. She is also the coordinator of diabetes education services, behavioral support groups, and health coaching for Hopelight Medical Clinic.

Behavioral Health Assistant Director

Coming Soon

Pediatric Occupational Therapist

Michelle is a pediatric occupational therapist with 20 years of experience working with children and their families. She has a passion for working with kids and enjoys building relationships with the families she works with and supporting the child’s development. She has a special interest and expertise in the areas of ADHD, sensory integration, handwriting, coordination difficulties, fine motor skills and social skills. Michelle is a Colorado native and lives in Lyons with her husband and two daughters. 

Sarah Schow, RBT

Jacob Zimmerman

Casey Stelter, MT-BC

Lead Registered Behavior Technician

Sarah Schow is Hopelight's lead Behavior Technician.  She is a RBT (Registered Behavior Technician) and has completed a bachelor’s degree in Interdisciplinary Studies, focusing on education, psychology and Bible.   Her university minor was in International Studies.  Sarah is a native of Colorado and has found her calling in the field of Applied Behavior Analysis.  She loves her work with children who experience behavioral challenges and their families.  Sarah is interested in pursuing her certification as a BCBA through further training.

Registered Behavior Technician

Jacob Zimmerman is a Registered Behavior Technician with Hopelight Behavioral Health. After completing a Bachelor's Degree in English and Philosophy, Jacob worked for Blue Engine, an education non-profit that places educators in New York City public high school classrooms. Jacob taught Geometry and Algebra to small groups of students in the Bronx, working as part of a larger team of teachers and educators to provide individualized, high-quality instruction and support for students with unique needs. A recent transplant to Colorado, Jacob is strongly committed to helping children and young adults grow and reach their full potential. 

Behavior Technician

Casey Stelter is a Behavioral Technician with Hopelight Behavioral Health. She is a board certified music therapist and holds a Bachelor of Science degree in Music Therapy from Texas Woman's University. Casey recently completed an internship in Texas with Denton ISD as a music therapist working with children ages 3-21 with varying diagnosis. Casey's music therapy training includes studies in areas such as developmental psychology, abnormal psychology, psychology of music, and special education.  Being fluent in American Sign Language allows Casey to interact with an expanded population of clients and their support systems.  A native Texan, Casey recently relocated to Colorado with her husband and three dogs for cooler weather, mountains, and the opportunity to pursue a career that uses music as both a motivator and medium for therapy.

Svetlana Tenyanko

Amanda Short

Dayana Melian

Behavior Technician

Svetlana Temyanko is a Behavior Technician at Hopelight Behavioral Health. She was born in Russia and is fluent in her native language. She holds a Bachelor of Science in Special Education from the University of Arizona. After completing her bachelors degree, Svetlana worked in a school as a K-4 Resource Teacher in Arizona. In her experience, Svetlana has worked with a wide range of diagnoses and ages. She is currently pursuing her masters in Behavioral Support through the University of Arizona with the goal of becoming a BCBA.

Behavior Technician

New Behavioral Therapist Amanda Short lives in Greeley but grew up in Thornton, CO. She has a twin sister as well as a younger sister. She is scheduled to graduate from UNC in December with a degree in psychology. During her first two years as an undergraduate, she worked at an elementary school as she originally planned to be an elementary ed teacher. However, her love for working with children coupled with learning about the brain and behavior caused her to change her major. Her hobbies include playing volleyball and hiking.

Behavior Technician

Dayana is the most recent addition to the ranks of our behavior techs. She has a BA from Maharishi University of Management in Fairfield, IA. Dayana has had a variety of experiences working with children, from being a nanny to working with special needs kids in camps to working with YMCA's Curious Minds Program. She describes herself as having "an unwavering commitment to making a difference" so we feel confident she will be a great asset here at Hopelight Behavioral Health

Brooke Schroeder

Spenser Gill

Behavior Technician

Brooke Schroeder is a behavior technician at Hopelight Behavioral Health. She graduated from CU Boulder in 2016 with Bachelor of Arts degrees in Neuroscience and Psychology. Her minor is in Religious Studies. She is originally from Illinois but loves life in Colorado. Brooke's work as a Certified Nurse Aide showed her how much she loves working closely with people, inspiring her to work with children as a RBT. She plans to start nursing school next year and hopes to work in pediatrics. 

Behavior Technician

Spenser has a BS in Psychology and has had a wide range of work experiences including a pantry chef, security officer and lead child care provider. Spenser has devoted many hours to volunteer work at animal shelters, Boy Scouts of America, Habitat for Humanity, and the Circles Group in Boulder County. He has also spent many hours volunteering with children and adults with developmental disabilities as well as preschools, summer camps and retirement homes.

Devon Newburn

Anita Birt

Diane Mester, ACE

Business Manager

Devon coordinates day to day activities at Hopelight, including the oversight of billing.  He works with insurance companies and Colorado's Health First program to secure funding for treatment at the clinic.  

Case Manager

Anita Birt is the LCHN case manager and Hopelight Behavioral Health Administrative Assistant. Anita's career began as a middle/high school teacher before spending two years as a college administrator.  She worked ten years at Longmont Medical Research Network as an admin assistant.  She is excited to return to the medical field and especially to be part of Hopelight!

Health Coach

Diane developed a love of wellness over 15 years ago and wants to share that passion with others. Her love of God and exercise brought about a desire to merge the two into programs designed to challenge the mind, soul, and body. Diane is a licensed CPA having worked in accounting for 13 years, so she understands the challenges of staying fit in a sedentary work environment.  She is certified in group fitness training from ACE and yoga and older adult fitness through AAAI/ISMA. Her other interests include scrapbooking, hiking, golfing, and working in the library and ladies' ministries at the church.  Diane and her husband Tim have lived in Longmont for 6 years.

Steve Haskew, MD

Pediatrician, Medical Director

Steve serves as the Medical Director of Hopelight Medical Clinic.  He is a Board Certified pediatrician and family medicine provider.  Steve is also the medical director for Philmont Boy Scouts Camp.  Steve oversees a dedicated staff of providers at Hopelight that gives individualized care and takes the time to listen to their patients.