Adminstration
Korina Callahan M.Ed, BCBA, LBA, Owner
Korina Callahan M.Ed, BCBA, LBA, Owner
Korina Callahan M.Ed, BCBA, LBA, Owner
Korina, owner and founder of Kaibab, brings nearly two decades of dedicated experience to the field of education, specializing in special education. With a strong foundation in teaching students with special needs and coaching Positive Behavior Intervention Supports from early childhood to secondary education, Korina has also excelled in assisting individuals with socially significant behaviors.
Currently overseeing early intensive interventions for children with Autism, focusing on fundamental language learning skills, Korina's leadership extends beyond her professional roles. She served as the past President of the Flagstaff Leadership Program and currently holds the position of President at Forging Youth Resilience. Korina is also the founder of Rising Mountain Academy, a microschool catering to students in Northern Arizona with disabilities.
Korina holds a Master's in Education from Grand Canyon University and an Applied Behavior Analysis certificate from Arizona State University. She is a licensed behavior analyst in Arizona and a Board Certified Behavior Analyst. Her expertise lies in training, coaching, evaluation, and sustainability of multi-tiered systems of behavior support, particularly in early childhood. Certified to train individuals in practice-based coaching and Pyramid Model Preschool Modules.
Away from her professional endeavors, Korina finds joy in traveling and camping with her family, indulging in various outdoor activities.
Christen C., B.A., General Manager
Korina Callahan M.Ed, BCBA, LBA, Owner
Korina Callahan M.Ed, BCBA, LBA, Owner
Christen is a management professional with a degree in psychology and a passion for personal development. Having previously spent over 7 years as the Director of Operations at a marketing agency, Christen brings to Kaibab a wealth of knowledge and experience in project management, people and system operations, human resources, business planning, marketing, and leadership.
In her personal time, Christen shares a home in Flagstaff with 2 rescue dogs, Sadie (American Bulldog) & Chessie (Pitbull/Shih tzu mix). She loves to wind down with a challenging jigsaw puzzle while indulging in reality TV, a new book on Audible, or an interesting documentary.
Kyle B., B.A., Admin Assistant
Korina Callahan M.Ed, BCBA, LBA, Owner
Kyle B., B.A., Admin Assistant
Kyle has spent his career exploring roles in customer service and healthcare. In 2023, he earned a BA degree in philosophy from Northern Arizona University. Currently, Kyle is pursuing a master’s degree in legal studies with an emphasis in contract management from Arizona State University.
Kyle is passionate about law and how it applies to business operations. In his free time, Kyle enjoys being creative and spending time with family.
Behavior Analysts
Louise Y., BCBA, M. Ed.
Jessica P., M.S., BCBA, LBA
Jessica P., M.S., BCBA, LBA
Louise has been a Board Certified Behavior Analyst since 2020; she became interested in the field of Applied Behavioral Analysis when she worked as a student intern at an early intensive behavioral care unit at a university hospital. After witnessing the powerful impact ABA has on the children and their lives, she looked into ways to get more involved in the field. Eventually, she earned a Master’s Degree in applied behavioral analysis from the University of Washington and became a BCBA.
Louise specializes in early intervention and working with school age children and focuses her treatment on self-advocacy skills that will allow the clients to access reinforcement in their natural settings. Louise currently resides in Washington state and has two beautiful cats named Lucas and Fifi.
Jessica P., M.S., BCBA, LBA
Jessica P., M.S., BCBA, LBA
Jessica P., M.S., BCBA, LBA
Jessica is a Board Certified Behavior Analyst and Licensed Behavior Analyst. Jessica has been in the field of ABA since 2012 and has experience in many different leadership roles. Jessica has opened various ABA clinics across multiple states (Washington, Oregon, Colorado) specializing in early childhood development and intensive behavior services.
Jessica has a master’s in special education with an emphasis in Autism Spectrum Disorder and Applied Behavior Analysis and has experience working across multiple settings (in-school, in-home, center based, and telehealth). Jessica has a love and passion for behavior analysis and working with children and their families across different settings. She is excited to be in Flagstaff and work with each and every client, family and team member. In her free time, she enjoys hiking, camping, and skiing with her family and dog.
Behavior Technicians
Tarah E., M.Ed., RBT
Tarah E., M.Ed., RBT
Tarah E., M.Ed., RBT
Tarah is a Registered Behavior Technician. Tarah earned a masters degree in Special Education and Applied Behavior Analysis in 2022 at ASU. She is currently studying for her BCBA exam hopes to hold the BCBA title before 2025. She has 10 years of experience in the field of education. She has a love and a passion for helping children and helping teachers be successful in the classroom. In her free time, Tarah enjoys reading, spending time with family, and being in nature.
Adele Z., RBT
Tarah E., M.Ed., RBT
Tarah E., M.Ed., RBT
Adele is attending Northern Arizona University to pursue a degree in Psychology with an emphasis in developmental psychology. She has years of experience as a direct support professional and provides attendant care, respite, and habilitation services. Adele also has experience as a teacher’s aide and provides behavioral skills for children with disabilities. She strives to become a Board Certified Behavior Analyst and enjoys gardening, ceramics, and reading outside in her hammock.
Emi R., RBT
Tarah E., M.Ed., RBT
Marcel K., BHT
Emi is working towards degrees in Social Work and Cello Performance at Northern Arizona University. She has years of experience working as an assistant teacher and holding leadership positions within orchestras across the country.
Emi is very passionate about approaching every situation with empathy, curiosity, and meeting every individual where they are.
In her free time, she enjoys performing as a musician, hiking with her cat, embroidery, photography, and exploring new coffee shops.
Marcel K., BHT
Sidney F., M.A., RBT
Marcel K., BHT
Marcel is originally from Poland where he spent his formative years until the age of 7. In 2005, his family embarked on a new chapter, relocating to the bustling city of Chicago. Immersed in the vibrant culture and rich diversity of the city, Marcel embraced the opportunities it offered, soaking in the cuisine, art, and myriad of experiences.
Marcel cultivated a deep appreciation for community and connection which in 2020 led him to moving to Prescott and pursuing a career in mental and behavioral health focusing on addiction. With a compassionate heart and a keen understanding of human nature he has dedicated himself to supporting individuals facing various challenges, striving to be a beacon of hope in their lives.
Marcel is very passionate about meeting others where they are and approaching every interaction with care, understanding, and empathy. In his free time, he enjoys exploring new places outdoors and traveling, trying new restaurants and spending time with his loved ones.
Sidney F., M.A., RBT
Sidney F., M.A., RBT
Sidney F., M.A., RBT
Sidney is a Registered Behavior Technician with four years of hands-on experience in the field of Applied Behavior Analysis. Sidney graduated from Arizona State University with a master’s degree in special education with a focus in applied behavior analysis and is currently studying for the BCBA exam. Sidney is passionate about working with kids with varying disabilities and spends time during the winter working with an adaptive sports program as a ski and snowboard instructor. When not working, Sidney finds joy in snowboarding, yoga, and spending time with her husband and rescue pup, Oakley.
She is excited to continue making a positive impact in the field of ABA, all while embracing the adventures that come with both her career and her love for the outdoors.
Anna C., B.S., BHT
Sidney F., M.A., RBT
Sidney F., M.A., RBT
My name is Anna Chase, and I am a Behavior Technician with Kaibab Behavioral Services. I have over 10 years experience working in early childhood settings around Flagstaff.
In 2017, I received my undergraduate degree in early childhood education from Grand Canyon University. I am currently in my graduate program at Northern Arizona University studying to become an ABA Therapist with the goal of becoming a BCBA. I have always loved and have had a passion for working with children.
Outside of work and school, I am busy being a mom to my two kids and love spending quality time with my husband and friends.
Grace D., B.S., BHT
Jessie W., B.A., BHT
Jessie W., B.A., BHT
Grace Diaz is working toward becoming a registered behavior technician. She graduated from Northern Arizona University with a B.S. in Psychological Sciences in 2024, and has utilized her passion for mental health advocacy to promote and operate several mental wellness
peer-mentor groups and mental-health inspired community art initiatives. Previously, Grace has experience as lead paraprofessional of a high-needs social-emotional special education classroom within Flagstaff Unified School District. Grace is currently working towards a Master
of Social Work degree at Northern Arizona University, and hopes to continue to support the Flagstaff community as a Licensed Clinical Social Worker someday.
In her free time, Grace enjoys creating art in all mediums, ice skating, and spending time in nature.
Jessie W., B.A., BHT
Jessie W., B.A., BHT
Jessie W., B.A., BHT
Jessie is originally from Phoenix and is currently pursuing her masters in social work at Northern Arizona University. Through her experiences teaching and working in the outdoor industry, Jessie has lived in Singapore, Ecuador and many locations around the Southwestern United States.
Jessie has over ten years of experience working in the public school system as an English teacher as well as guiding teenagers struggling with mental health challenges in outdoor adventures.
Jessie is passionate about connecting with her clients and empowering them to make positive changes in their lives. When she is not working, Jessie enjoys playing soccer, skiing at snowbowl, and traveling to different countries.
Austin S., BHT
Jessie W., B.A., BHT
Austin S., BHT
Austin is a Behavioral Health Technician pursuing a degree in Behavioral Health at Northern Arizona University. He brings practical experience supporting individuals with behavioral and emotional challenges through life skills training, behavior intervention, and trauma-informed care.
In his previous role as a House Manager and Behavioral Health Technician at Mountain House Recovery, Austin assisted clients recovering from substance use and mental health conditions by fostering independence, teaching daily living skills, and implementing positive behavior strategies. He is skilled in crisis intervention, de-escalation, and works closely with care teams to provide individualized, client-centered support.
Austin has experience working with clients across a range of needs, including ADHD, autism spectrum disorders, mood disorders, and co-occurring conditions. His approach emphasizes behavior change, emotional regulation, and long-term skill development. As a Certified Personal Trainer, he also incorporates physical wellness into his work to promote holistic health. Outside of work, Austin enjoys working out, hiking, and playing sports.