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

Michelle Kramer, OTR/L

Sarah Schow, RBT

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.

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. 

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.

Jessica Baird

Jacob Zimmerman

Maggie Hood


Jessica's years of experience in teaching introduced her to the idea of working with others in a more therapeutic role. Her focus is on supporting clients through a therapeutic process of interpersonal growth and healing in order to have a better quality of life.  She believes in biopsychosocial model approach to therapy which considers the complex interactions of our biological, psychological and social factors that influence our overall health and well being.  Jessica enjoys spending time with her family enjoying the camping, skiing and hiking activities that Colorado is known for. 

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. 

Registered Behavior Technician

Maggie is currently working as a Registered Behavior Technician (RBT) and continuing towards her certificate so that she can also work with kids who have behavioral problems. Maggie especially enjoys working with at risk teens. Her goal is to complete the General Psychology Program here at GCU and then move onto her Ph.D. as well as obtain my Animal Assisted Therapy License.  One day she would like to teach college aged kids.

In her spare time she is training her husky-cattle dog and a Carolina mutt. Maggie also loves to read science fiction and one of her favorite series is The Name of the Wind by Patrick Rothfuss, whose style of writing reminds her of Tolkien’s. Maggie loves traveling and has traveled all over the US as well as the Yukon, Europe, and Africa.

Casey Stelter

Jenni Murphy

Svetlana Tenyanko

Registered Behavior Technician

Casey Stelter is a Registered Behavioral Technician with Hopelight Behavioral Health. She 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.

Behavior Technician

Jenny attended Metro State for a year-and- a-half and went on to complet The World Race, an 11 month mission to 11 different third world countries. Her mission involved working in the communities and spreading the love of Christ. Jenny was selected as a Squad Leader after this trip to lead another group of young adults on the same journey. Currently, Jenny is completing her degree and hopes to go into counseling. She has a love for missions and travel, has found a love for Christ and is allowing Him to help build her faith. Jenny is excited to be here at Hopelight where she sees God doing amazing things and loves being part of it!

Behavior Technician

Coming Soon

Amanda Short

Devon Newburn

Steve Haskew, MD

Behavior Technician

Coming Soon

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.  

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.  

Anita Birt

Diane Mester, ACE

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.