EnglishSpanish

Meet the Team at Great Lakes Center for Autism Treatment and Research

Our team is comprised of experienced, qualified, and compassionate individuals who serve children and families affected by autism and similar disabilities. We partner with individuals and families affected by autism to improve their quality of life through effective and efficient diagnosis, assessment, and behaviorally based treatment. Click ‘View Bio’ below for more information about our team members.

Click here to visit the . page.

Jeana joined the Great Lakes Center for Autism Treatment and Research in 2014 as the Clinical Director. She holds a bachelor’s degree in Psychology from Western Michigan University (WMU), a master’s degree in Industrial and Organizational Psychology from WMU and a Ph.D. degree in Behavior Analysis from WMU. Jeana has worked in a variety of settings with individuals with developmental disabilities providing direct services to individuals and developing management systems for staff providing direct services. Jeana is also a Board Certified Behavior Analyst. Before starting at the Great Lakes Center, Jeana worked at the Kellogg Company in the Sales Learning and Development department. Jeana’s research interests involve staff management techniques, performance management processes in human service settings and verbal behavior approaches to language

Jeana Koerber
Ph.D., Board Certified Behavior Analyst-Doctorate, LBA, Executive Director of Autism Services
Click here to visit the . page.
Calvin Gage; Great Lakes Center for Autism Treatment and Research

Calvin has been with ROI since the opening of the Great Lakes Center in 2012. Before coming to ROI, Calvin had primarily worked as a behavioral consultant, assisting families and caregivers in the treatment of individuals with developmental disabilities and acquired brain injury in family home and assisted living settings. As a consultant Calvin regularly worked with individuals being supported by ROI. Calvin’s interests include the assessment of challenging behavior and system wide crisis response. Calvin received his master’s degree in Behavior Analysis in 2011.

Calvin Gage
M.A., Board Certified Behavior Analyst, LBA, Clinical Director
Click here to visit the . page.
Stefanie Beattie; Great Lakes Center for Autism Treatment and Research

Stefanie joined the outpatient team at the Great Lakes Center for Autism Treatment and Research in October 2016 as a Board Certified Behavior Analyst. Stefanie received her bachelors in psychology from Western Michigan University before earning her Masters of Science in Behavior Analysis and Therapy from Southern Illinois University – Carbondale (SIU) in 2013. While at SIU she focused on application of behavior analysis and research of behavior analysis principles across the lifespan. After graduating, she moved to Kansas City where she worked as a Behavior Analyst providing in-home therapy services, center based services, and consultative services with residential group homes. Stefanie’s professional interests include teaching engagement and social skills, maintenance of obtained skills across the lifespan, and staff/parent training. She enjoys seeing the application of behavior analysis make an objective and significant difference in the lives of the individuals and the families that she works with.

Stefanie Beattie
M.S., Board Certified Behavior Analyst, LBA, Outpatient Clinical Team Supervisor
Click here to visit the . page.
Taylor Beaudoin; Great Lakes Center for Autism Treatment and Research

Taylor holds a Bachelor’s degree in Behavioral Science from Western Michigan University and a Master’s degree from The Chicago School of Professional Psychology. Taylor became a Board-Certified Behavior Analyst in 2018 and in November 2019 joined Great Lakes Center for Autism Treatment and Research in the Intensive Residential program. She has worked with many different populations including adults, adolescents, and children diagnosed with Autism. For these individuals, Taylor has worked developing and implementing ABA programs in group homes, day programs, and outpatient settings.  Additionally, she has worked extensively with all age groups within a psychiatric hospital setting. Her areas of interest include assessment and treatment of challenging behaviors and staff training. 

Taylor Beaudoin
M.S., Board Certified Behavior Analyst, LBA
Click here to visit the . page.
Erin Callahan

Erin joined the Great Lakes team in 2016 as an ABA-Tutor in the outpatient program. She earned her bachelor’s degree in psychology from The University of Detroit Mercy and her master’s degree in behavior analysis from Simmons University. Upon graduation in 2020, she became a Qualified Behavioral Health Professional with the Great Lakes team. In January 2021, Erin was board certified by the BACB and became licensed in February 2021.  Her areas of interest include skills assessment, early intervention, and research.

Erin Callahan
M.S., Board Certified Behavior Analyst
Click here to visit the . page.
Kari Colwell; Great Lakes Center for Autism Treatment and Research

Kari holds a bachelor’s degree in Psychology from Western Michigan University and a master’s degree in Applied Behavior Analysis from The Chicago School of Professional Psychology. She is a Board Certified Behavior Analyst and joined Great Lakes Center for Autism Treatment and Research in their intensive treatment program in January 2014. Before coming to the Center, she worked in various settings providing early intervention and behavioral consultation services to children diagnosed with autism. Additionally, she has provided behavioral services for families within the child welfare system. Her areas of interest include assessment and treatment of challenging behaviors and behavioral applications for health and fitness.

Kari Carrington
M.A., Board Certified Behavior Analyst, LBA
Click here to visit the . page.
Kristi Dumas, Great Lakes Center for Autism Treatment and Research

Kristi joined the outpatient team at the Lawrence Autism Center, a Great Lakes Center for Autism Treatment and Research (GLC) site, in May 2018 as a Qualified Behavioral Health Professional, and received her Board Certified Behavior Analyst certification in the fall of 2018. She received her Bachelor’s in Behavioral Science from Western Michigan University (WMU) in 2016 before continuing on through the same institution to receive her Master’s in Behavior Analysis in 2018. While attending WMU, Kristi focused her studies in applying behavior analysis to teach young children with autism and other developmental disabilities critical pre-requisite skills in order to better prepare them for their next academic transition.  Kristi’s career interests include early intervention, social skills training and development for adolescents, program writing, and staff training and supervision. She’s excited to join the other clinicians and staff at GLC to provide quality ABA services to children and adolescents in the Southwest Michigan area for years to come.   

Kristi Dumas
M.A., Board Certified Behavior Analyst, LBA
Click here to visit the . page.

Chris received his bachelor’s degree in Behavioral Science from Western Michigan University in June 2012. Shortly after obtaining his degree, he was welcomed as a part of the GLC team when it opened in fall 2012 as a behavior technician. During his time as a behavior technician, he worked in the intensive program as well as in the outpatient program before taking time off to finish his master’s level research. Chris received his master’s degree in Applied Behavioral Analysis from Western Michigan University in May 2015, and has since worked in many counties in northern California and southwest Michigan. His experience has brought him into the lives of a broad range of individuals of varying skills levels, ages, and interests where Chris has designed, trained, and implemented behavioral therapies in various settings to address a number of highly-individualized needs. Chris’s experience has fostered a passion for treatment designs which are inclusive of family member education and training and verbal behavior development. Chris’s research interests are in the area of social skills training and development in children and adults, as well as in the area of staff training and performance management systems.

Chris Missias
M.A., Board Certified Behavior Analyst, LBA
Click here to visit the . page.
Kerri Wood, Great Lakes Center for Autism Treatment and Research

Kerri has been a team member of The Great Lakes Center (GLC) since January 2013, where she started as a behavior technician in the intensive residential program and then moved into the role of the Educational and Permanency Specialist (EPS) in the same program in November 2014. As the EPS, her primary responsibility was in the residential classroom to teach children and adolescents replacement behaviors for challenging behavior and skill acquisition.  Kerri is certified to teach special education for emotional impairments and learning disabilities and received her bachelor’s degree in Special Education in Dec. 2012 from Western Michigan UniversityKerri received her Master of Arts in Professional Behavior Analysis in Dec. 2018 from Florida Institute of Technology and is now a Board Certified Behavior Analyst in the Outpatient Program for GLC. Kerri’s background and interests are collaborating with schools for behavior analysis services, teaching communication skills, supervising and teaching staff to implement skill acquisition programming, and decreasing challenging behaviors in children and adolescents.

Kerri Wood
M.A., Board Certified Behavior Analyst, LBA
Click here to visit the . page.
Rachael Stender

Rachael joined ROI in September 2020 as the Contract and Compliance Manager. She received her bachelor’s degree in Healthcare Management from Spring Arbor University in 2002. Rachael has over 15 years of experience working in healthcare, specifically in management, contract development, auditing, training, credentialing, and billing.

Rachael Stender
Contract and Compliance Manager
Click here to visit the . page.
Darci Stevens; Great Lakes Center for Autism Treatment and Research

Darci has been employed at Great Lakes Center for Autism Treatment and Research as the Business Development Manager since August 2013. She has a bachelor’s degree in Business Administration from Western Michigan University and received her master’s degree in Business Administration from Spring Arbor University in 2015. She has over 15 years of managerial, training, and sales experience in the health care industry.

Darci Stevens
M.B.A., Business Development Manager

Team Members of the Intensive Residential Treatment Program

  • Sam Lopez, M.P.A., Intensive Services Manager
  • Gretchen Klein, M.A., Board Certified Assistant Behavior Analyst, Intensive Case Coordination Specialist
  • Kayla Humphries, A.S., Intensive Case Coordinator Specialist
  • Zach Wilson, B.S., Intensive Assistant Coordinator
  • Rebekha Kirk, Intensive Assistant Coordinator
  • Bryce Miller, Intensive Assistant Coordinator
  • Kathryn Suggate, B.A. Special Education, Certified EI, Intensive Educational and Permanency Specialist

Team Members of the Elaine Avenue Step-down Program

  • Emma Morales, B.S., Program Coordinator
  • Caitlin Stumpf, B.A., Elaine Assistant Coordinator
  • Maya Moore, Elaine Assistant Coordinator

Team Members of the Outpatient Programs

  • Josue Miranda-Gonzalez, Outpatient Program Coordinator
  • Jessica Ludeker, B.S., Behavioral Analyst Support Specialist
  • Sam Kohn, Outpatient Treatment Plan Specialist
  • Melanie Coon, B.S., Outpatient Treatment Plan Specialist
  • Connor Velasco, B.A., Outpatient Treatment Plan Specialist

Support Specialists

  • Meghan Macomber, B.S., Intake and Support Specialist Outpatient and Licensed Settings – Heersma Autism Center in Portage
  • Sulan Artz-Iffland, B.S., Support Specialist – Lawrence Autism Center in Galesburg

Interested in learning more? Contact us today.

(269) 250-8200

What is ROI? Find out
more at our website.