BCBAs and Office Staff

Joanna K, MS, BCBA – Owner

Since 2003, Joanna has worked with individuals with autism spectrum disorders (ASD) and other developmental disabilities, as well as ADHD, anxiety disorders, learning disabilities, and behavior disorders. She has experience in many settings including: schools, clinics, residential programs, home programs, community-integration programs, behavioral health hospitals, and sheltered workshops.

Prior to entering into private practice, Joanna developed the 1st in-patient behavioral health hospital unit in the Midwest for children with ASD and psychological disorders.

Throughout her diverse experiences, it has become evident that the key factor to a child’s success is directly linked to motivation. Maintaining a child’s motivation and the use of natural reinforcers is Joanna’s primary area of interest.

Donna K, MA – Administrative Manager

Donna received her Master of Arts degree from DePaul University in Musicology. While in college she volunteered to work with infants with disabilities at Misericordia in Chicago and worked with underprivileged children in Cabrini Green during the early years of the Head Start Program. After 35 years in real estate, first in sales and then as an administrator, Donna has come full circle.

Quote: “JMK Behavior Services allows me to put to good work my administrative skills and previous experience with children with disabilities.”

Stacy H, MA – Operations Manager and Registered Behavior Technician

Stacy earned her undergraduate and graduate degrees in Sociology at Roosevelt University in Chicago. She began working at JMK Behavior Services as an ABA Therapist in April 2014, and then in August 2014, Stacy transitioned to the Operations Department where she handles new client relations and scheduling.

Hobbies: In her free time, Stacy enjoys working in her garden and playing outside with her dogs.

Mike K – IT Support Specialist

Mike has worked in direct care support for people with mental disabilities coupled with severely aggressive behavior since 2009, including managing multiple residential care facilities and being an active member of the mobile crisis unit. He is an advocate of ABA for those with autism spectrum disorders and believes in the positive impact it plays in their lives. Mike has also been a professional freelance web developer and graphic designer for over 15 years. In addition to servicing technical support & graphical needs at JMK Behavior Services, Mike is the Creative Director and Production Manager of a pro/am mixed martial arts promotion, a special effects pyrotechnician in Hollywood, a successful illustrator and published comic book artist, as well as a contributing writer and producer of a popular online audio drama horror series.

Hobbies: Mike enjoys drawing, Jiu-jitsu, playing video games, and living the dream.

Cori G, MEd, BCBA

Cori has been in the field of Applied Behavior Analysis since 2008. She currently is a BCaBA and enrolled in the Master’s of ABA Curriculum and Education Program at Arizona State University. Cori has worked with a variety of individuals on the Autism Spectrum with ages ranging from 3-20 years old and has a strong passion for the field. She takes a creative approach to teaching new skills and behavior management.

Cori’s hobbies include appreciating the cultural aspects of living in Chicago, including eating tasty ethnic foods, museum trips and musical performances around the city with her family.

Matt G, MA, BCBA

Matt has worked with individuals on the autism spectrum since graduating from Northern Illinois University in 2009. Matt completed his Master’s degree in applied behavior analysis through The Chicago School of Professional Psychology and is currently pursuing his PhD in applied behavior analysis at the same institution. Matt has worked with individuals ranging in age from 2 to 65 with a variety of autism spectrum disorders or other developmental disabilities. Matt specializes in the application of complex verbal behavior.

Hobbies: Outside of work, Matt enjoys competing in Spartan Races, participating in and coaching Cross Fit and Olympic Weightlifting, and teaching courses in applied behavior analysis.

Jillian A – Director of Talent Acquisition

Jillian graduated from DePaul University with degrees in Marketing, Management & Business Administration. Inspired by her mother and sisters who work in education, Jillian knew the positive impact she could make in those with spectrum disorders by pairing them with the right therapist.

Hobbies: Outside of work, Jillian enjoys time with family, traveling, writing, painting and walking her dogs.


Emily S – Community Outreach Coordinator

Emily received two degrees, one in Theatre and the other in Recreation and Tourism from Arizona State University and is currently in the process of starting her Masters in Integrative Health Care from the same university. A certified Health and Life Coach, she is currently working on expanding her horizons to become an RBT while using her special events/marketing skillset to reach out to those in the community that may need JMK’s services.

Hobbies: Outside of work, Emily is a licensed Zumba (STRONG, Toning, Aqua and Kids/Kids Jr) Instructor, Co-ed Softball Player, and “Gym Rat”. She can be found most at peace on top of a mountain or camping in a forest.