Our Team

• Operations Manager for Supported Living,
• Program Coordinator for Supported Living,
• Human Resource Coordinator
• Lead staff working with individuals with disabilities

Prior to working with individuals with disabilities, Kim served those with mental illnesses and substance abuse as a Mental Health Tech at Southwestern Mental Health Services, and Stepping Stones. Kim Zimmerman has a master’s degree in social work from University of Southern Indiana. Upon completing her master’s degree, Kim completed her internship with ResCare as a Behavioral Clinician. Kim Zimmerman has her bachelor’s degree in social work and psychology from University of Southern Indiana. Upon earning her bachelor’s, Kim Zimmerman served internships at Evansville Children’s Psychiatric Center, Aurora, and Evansville Juvenile Court System. Kim Zimmerman resides in Evansville, Indiana.

Bobbie is well known in the community having provided job placement and related services for 29 years and has a Bachelor’s Degree in Psychology from the University of Southern Indiana.  She has been instrumental in developing several programs in the community and has the philosophy that “everyone deserves the opportunity to try to work in the community”.  Bobbie has always put the clients needs and desires first when in comes to seeking the appropriate level of employment for the individual.  She plans to carry the same values working for APEX.

Jeanie graduated with a health services degree from USI in 2012. Jeanie launched her Waiver Services career in February 2013. She has held positions in the Evansville area as a Service Coordinator and Case Manager. In July 2016, Jeanie joined the APEX Team as a Program Director for individuals living at Jacob’s Village. Outside of serving others, Jeanie enjoys spending time with her husband, daughter, and dogs.

Melissa began her career in 2012 as a Direct Support Professional working with individuals in group homes.  After 5 years of working in this field, she moved to a more low key position.  Soon realizing she needed a more people oriented position, Melissa pursued a career as a Job Developer helping clients find jobs. Her free time is devoted to spending time with her family.

Prior to joining the APEX BEHAVIORAL SERVICES administrative team, Debbie Jost was gaining in-depth experience in the field of health services. Most recently, she served as an Executive Administrative Assistant at Deaconess VNA Plus, LLC. Prior to that, Debbie was a Certification Clerk with the Vanderburgh County Health Department. She has also served as a Clerical Associate at both The Women’s Hospital and Deaconess Hospital. In every capacity, Debbie’s expertise contributed to the smooth operation of each organization. She brings creativity, enthusiasm, and dedication to her role here at APEX BEHAVIORAL SERVICES.

Since 2013, Chris has been a dedicated advocate for individuals with disabilities, deeply committed to creating safe, supportive environments where every person can thrive. Joining Apex in June 2017, Chris has focused on enhancing the quality of services through comprehensive health risk management and staff training. His passion lies in ensuring that every individual receives the highest standard of care, with a personalized approach that honors their unique needs and goals. As part of the Apex team, Chris is dedicated to delivering exceptional, individualized care that sets the standard for empowering those they serve to live healthier, more fulfilling lives. Outside of work, Chris enjoys spending time with his girlfriend, Ashlynn, their three children, Desmond, Raiden, and Ellaria, and their three dogs, Leroy, Kash, and Zero. He is committed to empowering both clients and staff, fostering an atmosphere of understanding, trust, and continuous growth to achieve positive, lasting outcomes.

Before coming to APEX, Van was a job coach for 4.5 years performing evaluations on clients to determine if they are able to work in the community.  After retirement from Vocational Rehabilitation, he worked under a grant for 5 months for Aurora as an intake specialist working directly with the homeless population.  Van was also a Vocational Rehabilitation Counselor for almost 35 years. He continues his work with APEX. Van holds a Bachelor’s Degree from IU and a Master’s also from IU with a degree in Counseling and Guidance.  He is married to Patty and they have 5 children and 9 grandchildren.  Van is also known as “Jasper the Clown” with the Hadi Shrine.

Paulette began working with developmental disabilities in 2007 while living in Ohio. Moved to Evansville, in 2011 started working with Arc of Evansville, last four years with the agency she was a Program Coordinator at Arc Industries.  In 2020 started working for Apex, became a Program Director with Apex in March of 2021. Paulette in her spare time enjoys time with her family.

Mallory was born in Edmonton Alberta, Canada, went to high school in the metropolitan of Chicago, Illinois,  and studied criminal justice at the University of Southern Indiana. Before joining the Apex Behavioral Services administrative team, she was a first responder in Spencer County and Vanderberg County for 7 years. Mallory loves being part of the Apex Behavioral Services team and also comes with a history of management experience and has previously worked with individuals who have disabilities. 

Brittany Fording started working with developmental disabilities in 2016 as a direct support professional. Graduate of Oakland City University with a major in Special Education, she has spent the last 9 years working in education. As of 2025, she is continuing her passion for working with individuals with disabilities as program director. 

Prior to joining the APEX BEHAVIORAL SERVICES team, Grant has been employed in the healthcare field for the past 9 years. He has gained knowledge of insurances and billing from previous management positions and has an extensive data entry background. He is excited to continue helping others and keep advancing his knowledge in the healthcare field as part of the finance team with APEX BEHAVIORAL SERVICES.

Sean is a dedicated Behavioral Specialist with a passion for helping individuals reach their full potential. Sean’s journey started with a bachelor’s degree in Sociology from Eastern Kentucky University in 2011. After spending eight years in the tech industry, Sean realized his true calling was in making a direct impact on people’s lives. This led to him going back to school to earn a master’s degree in applied behavior analysis, allowing him to combine his analytical skills with a deep understanding of human behavior. Sean believes in evidence-based interventions tailored to unique needs of the individual. Sean’s experience in both technology and behavioral sciences gives him a unique perspective on problem-solving and behavior modification strategies. Whether working with children, adults, or organizations, his goal is to foster positive change through structured, compassionate, and data-driven approaches.

Heath Singleton, Behavior Clinician with APEX BEHAVIORAL SERVICES, has assisted individuals with intellectual disabilities since 2004. He has worked in the residential and group home settings in waiver. He previously worked for Bridges of Indiana, Gibson County ARC in Princeton, and Ireland Home Based Services. Also, he has experience working with Department of Child Services providing in-home services to children and adults. Heath has grown up around immediate and extended family working with individuals having intellectual disabilities throughout his life. Heath earned his Bachelor’s and Master’s degree in Social Work from the University of Southern Indiana. He lives in Evansville with his wife, Jamie, and two children. Heath’s passion in life is his family, friends, sports, traveling, and enjoying life.

Nicholas Johnson has been serving individuals with disabilities in our community since 2019. Prior to that, while completing his undergraduate degree in Psychology, he worked with youth in the criminal justice system for several years. While completing his master’s degree in Applied Behavior Analysis, he worked both as a Registered Behavior Technician providing ABA therapy and as a direct support professional providing waiver services. His passions include reading and researching scientific and clinical topics, education, and teaching others how to use behavior management skills to better their lives.

Kristin Creighbaum earned her Master’s degree in Health Services Administration from the University of Evansville in 2008, while there, she had the opportunity to study at Harlaxton College in Grantham, England. Kristin completed internships with the Department of Homeland Security, the Warrick County Health Department, and Atria Assisted Living. After graduation, Kristin worked as an Employment Specialist with Evansville ARC and later as a Program Director and Human Resource Coordinator/ Recruiter with Dungarvin Indiana. In both roles, Kristin supported individuals with disabilities and is experienced in transitioning individuals from state-operated facilities to community living. Kristin has also worked in Human Resources and Recruitment within the travel nursing industry. Kristin resides in Evansville, IN with her husband and two children. Outside of work, Kristin enjoys music, art, traveling and spending time with her family.

Brian Terry was born and raised in Henderson, KY. He has over 10 years of experience working with individuals with developmental disabilities. Prior to joining APEX BEHAVIORAL SERVICES, he worked at Ireland Home Based Services as a family counselor. He has an A.A. in Management, B.A. in Human Services Management, and an M.A. in counseling from Liberty University. Brian is married with 3 children and enjoys working out and watching Louisville Cardinal football and basketball.