Our Staff

  • Isaac Smith | Owner

Isaac Smith

M.S & Owner/CEO

Isaac Is originally from the Montcalm area and has always had a passion for helping others and those with special needs. He is a graduate of East Tennessee State University but rooted in local community services since the beginning of his professional career. His primary goal is to provide the accessibility of quality behavioral services and support to those in areas that might not typically receive the service.


He strives to overcome challenges and barriers to client progress and will work with families directly to provide the best support possible. Increasing the quality of life and independence of clients is what Isaac enjoys the most about his job. In his free time, he enjoys his passion for traditional music, more specifically the violin/fiddle.

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Tiffanie Weeden

M.S, BCBA LBA

Tiffanie Weeden is thrilled to have joined Northern Behavioral Solutions in March 2025! With nearly five years of experience as a Board Certified Behavior Analyst, she brings a wealth of knowledge and enthusiasm to her role. A proud Northern Michigan University graduate with both her bachelor's in psychology and master's degree in Applied Behavior Analysis, Tiffanie has worked with a diverse range of clients ages 2-50 across various settings, including clinic, home, school, and community. After graduating, she moved to Tennessee in 2020, but happily returned to her Michigan roots in 2021, continuing her work remotely while maintaining her connection to the Tennessee team. During her time with her previous employer, she not only enhanced her clinical skills but also developed her leadership abilities by helping expand seven regional service areas across rural Tennessee for both their ABA and Adult Community Living Support departments. Tiffanie particularly enjoys working with the adolescent age group, working on adaptive living skills, and is passionate about providing ethical, individualized, assent-based services. She's especially excited about being back in-person and having the wonderful opportunity to serve families in her rural communities who typically don't have access to the support they deserve!

  • Isaac Smith | Owner

Rachel Conley

Office Manager

  • Isaac Smith | Owner

Michelle Busken

Clinical Director | M.S., BCBA LBA

Michelle Busken grew up in the West Michigan area, and after living in the U.P. for the previous 12 years has returned to the lower peninsula with her family. She earned her Bachelor’s degree from Northern Michigan University in Special Education with a concentration in Emotional Impairments in 2015. Michelle spent the next 8 years as an educator where she discovered her passion for helping children with behavior and skill needs that surpassed the school setting. Michelle earned her Masters in applied behavior analysis from the University of Arizona in 2018 and recently became a BCBA at the start of 2024.

  • Isaac Smith | Owner

Michelle Ferguson

Office Manager

Dedicated and detail-oriented Office Assistant with a strong commitment to accuracy and efficiency. Skilled in managing billing processes, maintaining organized records, and providing exceptional administrative support. Known for a proactive attitude, strong communication skills, and the ability to multitask effectively in fast-paced environments.

    Rachel Simpson

    MS,BCBA

    Rachel started her professional career as an Occupational Therapist but switched to the field of ABA in August of 2018. Initially, she began as a Behavior Technician, but she loved the field so much that she began pursuing a career as a Behavior Analyst. She received her Graduate Certificate in Behavior Analysis from Florida Institute of Technology in August of 2023. Then, she officially became certified as a Board Certified Behavior Analyst (BCBA) in September of 2024. She has experience working in a center, the home, and the community.

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    Brent Heberling

    M.A., QBHP

    Brent Heberling grew up in the Big Rapids area for the majority of his life and has always had a passion for helping others. While attending Ferris State University, Brent found a love for the science of behavior while working in an operant chamber lab to train rats new behaviors and discovered applied behavior analysis as a great way to combine the science and helping others. Brent graduated with his B.S. degree in Psychology from Ferris State University in 2021, and went on to earn his masters of arts degree in applied behavioral science from The University of Kansas in 2024. In his spare time Brent and his wife like to travel to Walt Disney World and enjoy their time doing all things Disney. Brent has worked for Northern Behavioral Solutions since May of 2023 and has been in the field of behavior analysis for 5 years. Brent strives to bring top quality behavior analytic services and works hard to promote independence, increase quality of life, and overcome every barrier for every client.