Who We Are
Our Board Certified Behavior Analysts and therapists are established professionals in the field ranging from 6-20 years of experience. We follow a trauma informed approach and are available 24/7 for crisis support. We strongly focus on inclusivity, diversity, and cultural awareness.
Working directly with community organizations, support staff, individuals and families —BIOS makes the difference.
GABRIELA I. SIERRA M.| MA, BCBA
Gaby has worked in the Mental Health field specializing in Applied Behavior Analysis, Mental Illness and Performance Management since 2001. She started as a Direct Support Professional for adults in Community Integrated Living Arrangements (CILAs) and children with Intellectual Disabilities while in college. These experiences defined her career and in 2006, she graduated from the Chicago School of Professional Psychology.
TRISTA D. ROBINSON | MA, BCBA
Trista Robinson BCBA is Co-Founder of BIOS ABA Consultants LLC. She began BIOS with her business partner Gaby Sierra Marquez in 2018 after working in the field of Intellectual Disabilities, Developmental Disabilities, and Mental Illness as an independent consultant for 12 years as a Board Certified Behavior Analyst. Trista began her studies at the University of Nebraska and graduated in 2005 with a Bachelor of Science in Psychology and
ZAINEB (Z) ABDULLA
MARIA (ISABEL) AGUILAR
Maria Isabel Aguilar first experienced the field of Intellectual and Developmental Disabilities and Mental Illness was working as a Case Manager for adults. It was that experience that led her heart to discover a passion for working along side individuals in meeting their goals; whether it be learning a more efficient way to communicate wants and needs or becoming more independent in the community.
Jawahar (Juhi) has a vision to provide the best quality services for children and adults diagnosed with developmental /physical or neurodevelopmental disabilities. She migratedfrom Pakistan in 2001 andstarted hercareer by working in a Montessori for 6 and half years in the Early Childhood education, dealing with many challenging children in the early years. Shedecided to go back to school and completea certification in Early Childhood Education from the college of
KAYLA (REMY) COMERFORD
Remy works primarily with teenagers and adults with mental illness who often (but not always) identify within LGBTQIA+ communities. They use a consent-based model to guide their clinical work, and specialize in teaching skills that are likely to improve autonomy, such as communicating, coping, managing impulses, perspective taking, and problem solving. Before becoming BCBA, Remy worked as a violinist,
Colette has been a BCBA since 2014 and has worked in the ABA field since 2008. She has worked in home, community and clinic based settings and currently works in foster care. Colette is passionate about parent training and moving the field towards a trauma assumed approach. She enjoys mentoring and supervising new and upcoming BCBAs.
Kristin Greenwood is a licensed (Ohio) and board-certified behavior analyst (BCBA), and clinical consultant with BIOS ABA. Since obtaining her board certification in 2008, she has worked with children with autism in school and home-based settings implementing fluency-based instruction, adults diagnosed with psychological and intellectual disabilities in a state-operated facility, the Illinois Crisis Prevention Network (ICPN), ), and consultation with a number of
Armando Jauregui first joined the field of applied behavior analysis when he was 18 as a Registered Behavior Technician (RBT) where he provided in-clinic, home based, and school-based services for individual diagnosed with ASD. He has spent the past 5 years as an RBT, Safety Care Trainer, Training Coordinator, Intern, and most recently he became a BCBA in February of 2022! He is passionate in helping others and forming
Katie has been a Board Certified Behavior Analyst since 2020. During her time working at BIOS, she became particularly interested in trauma-informed care after working with children and families in the foster system. This inspired her to pursue a doctorate degree in Clinical Psychology, where she will be studying until 2026. She is passionate about being an ally for the disability community, and helping to reduce the stigma involved in mental health and disorders.
Chuck Sanders was born in Springfield, Illinois and spent his childhood in the northwest suburbs of Chicago. After graduating from Southern Illinois University at Carbondale with a bachelor’s degree in Sociology, he moved to St. Louis and worked as a direct support professional for an agency that provided both residential and vocational services for people with developmental disabilities.