Why Kestrel?

We draw inspiration from the majestic American Kestrel.  This small falcon has the ability to hover over a target while observing & assessing its environment. 

At Kestrel Behavioral Health, our clinicians also take a data-driven approach to Behavior Support.


We hope to earn your trust as we help you navigate your life’s journey 


Find out More

Kestrel’s Clinical Team

Brian Krieble, MS LMHC

Co-Founder &
Executive Director 

A lifelong Hoosier, Brian has served individuals with Intellectual and Developmental Disabilities (I/DD) for over 10 years, with experience as a DSP, Behavior Clinician, and the Residential Director of a large group home program. He has a Master’s degree in Mental Health Counseling and is a Licensed Mental Health Counselor (LMHC).  Brian is Kestrel’s Executive Director and oversees all its operations.  In addition to spending time with his wife and young sons, Brian enjoys fishing, hiking, and landscaping.


Madison Bartak, MS

Behavior Clinician

Madison was born and raised in Indiana and has served individuals with Intellectual and Developmental Disabilities (I/DD) for most of her life. She has experience as a DSP, as a supervisor in children’s residential services, and as a Behavior Clinician (BC). Madison has a Master’s degree in Psychology.  In her free time, she enjoys spending time with her two crazy dogs, taking care of her houseplant obsession, and learning new recipes.


Julie Cook, MA

Behavior Clinician

Julie has a Master’s degree in Applied Behavior Analysis with an emphasis in Autism. She has worked with individuals with I/DD and differing types of neurodivergence for the last 10 years, gaining experience as a DSP, a Skill Builder, a Registered Behavior Technician (RBT), and currently as a Behavior Clinician (BC). Julie also has work experience in the juvenile judicial system and specifically in Applied Behavior Analysis with children diagnosed with Autism Spectrum Disorder (ASD). She values utilizing trauma-informed care during her sessions. When not providing supports for the individuals she serves, Julie can be found spending time with her husband and various pets.


Bree Johnson, MA

Behavior Clinician

Bree has a Master’s degree in Applied Behavior Analysis with an emphasis in Autism. She has worked in the behavioral health field for over 5 years with experience as a Registered Behavior Technician (RBT) and currently as a Behavior Clinician (BC). Bree has experience working with individuals with co-morbid diagnoses including Autism Spectrum Disorder (ASD), Oppositional Defiant Disorder, Traumatic Brain Injury (TBI), and mood disorders. Outside of work, Bree enjoys long walks in nature, venturing to local coffee shops, and browsing at antique stores.


Mark Ochsner, MA

Behavior Clinician

A native Hoosier, Mark grew up in Central Indiana and has lived in Bloomington for over 20 years.  He has a Master’s degree in Counseling Psychology with emphasis in Transpersonal Psychology.  Mark has been a Behavior Clinician (BC) for over 10 years.  He enjoys coaching both boys and girls high school tennis, officiating junior and college tennis, playing tennis, and training/participating in endurance sports (swim, bike and run). Mark also is the proud papa of two wonderful Doodles.


Gretchen Kenny, MSW

Behavior Clinician

Gretchen has a Master’s Degree in Social Work and has lived in Bloomington for over 15 years. She enjoys working with people of all ages. Gretchen has experience with Individuals with a wide range of abilities.  Getting to really know her clients is important to Gretchen. When not working as a BC, Gretchen loves to have adventures with her family, whether it’s traveling, hiking, concerts, or watching movies together. She also has two cherished cats.


James Boyd, MS

Behavior Clinician

James has a Master’s degree in Special Education and is a licensed teacher. He has served individuals with Intellectual and Developmental Disabilities (I/DD) for over15 years with experience as a DSP, Program Director, QMHP, and, most recently, a Behavior Clinician (BC). When not providing Behavior Support, James enjoys camping, martial arts, and curling up with a good book on a rainy day. 


Zoe Williams, MSW

Behavior Clinician

A proud native of Indianapolis, Zoe has dedicated over five years to working with individuals with Intellectual and Developmental Disabilities (I/DD).  She has a Master’s degree in Social Work, and her experience includes working as a Registered Behavior Technician (RBT), Social Worker, and Behavior Clinician (BC).  Zoe is passionate about supporting individuals to reach their full potential and create meaningful, positive change.  Outside of her professional work, Zoe enjoys reading, swimming on a recreational team, and baking sourdough.


Ashley Akers, MS

Behavior Clinician

Ashley works in the Terre Haute community where she has lived for over 20 years. She holds a Master’s degree in Psychology along with a postgraduate certification in Applied Behavior Analysis (ABA). Her diverse background includes experience as a Registered Behavior Technician (RBT), a waiver case manager, and roles in long-term care settings, giving her a well-rounded perspective on behavioral health and client-centered support. Ashley is passionate about improving the quality of life for individuals through evidence-based practices and compassionate support. Outside of her professional life, she enjoys unwinding with video games and the occasional well-earned nap.


James Shepard, MS

Behavior Clinician

James lives in Bloomington and has worked as a Behavior Clinician (BC) for over 5 years.  He has a Master’s Degree in Mental Health Counseling and loves to work with people with a variety of abilities.  In addition to his work as a BC, James is a professional photographer, and he also teaches martial arts.  He loves to spend time with his wife, two children, and a collection of furry friends.


Sabrina Starr, MA

Behavior Clinician

Sabrina is a lifelong Hoosier with over a decade of experience working with the neurodiverse community, including Autistic people and older Individuals with Dementia. She began her career as a Registered Behavior Technician (RBT) before earning her Master’s degree in Mental Health Counseling. Now a Behavior Clinician (BC), Sabrina integrates her behavioral expertise and mental health training to provide client- and family-centered support through a humanistic lens. She also serves on the board of Ability Allies, an organization that advocates for families and provides legal support for students with IEPs in the public school system. Outside of her professional work, Sabrina enjoys reading and spending time with her husband, their dog, and four cats.


Vanessa Chauhan, MSW

Behavior Clinician

Vanessa was born in Tucson, Arizona and brings personal experience, as she was raised alongside a sister who is on the autism spectrum. She has a Master’s degree in Social Work and is deeply familiar with the complexities involved in providing support to loved ones of the neurodiverse population. Vanessa also has over 10 years’ experience working directly with individuals with disabilities. In her spare time, she enjoys spontaneous weekend trips and local outings with her husband and their 1-year-old daughter. Vanessa also loves her cat, Penny, international travel, cooking, and trying out the various new restaurants/coffee spots popping up around Indy.


Jim Wiltz, PhD HSPP

Co-Founder &
Clinical Psychologist

Born in Bloomington, Dr. Wiltz has worked with individuals with I/DD for over 30 years.  He has Master’s and PhD degrees in Clinical Psychology with a specialty in Dual Diagnosis. Jim is a licensed Psychologist and serves on the Board of Directors for Bloomington’s Down Syndrome Family Connection (DSFC).  In addition, he is the Professional Liaison for the Indiana Association for Behavioral Consultants (INABC) where he interacts with state government and industry leaders and reports back to the membership.  Jim loves the outdoors, especially when spending time with his wife and two children.

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Kestrel Photos

We like Kestrels  –  Here are some pictures of these magnificent Falcons