Hui Ling Loh , M.A, B.C.B.A. is the Clinical Director of ABC Center Singapore. She has been a Board Certified Behavior Analyst since 2007, giving her 15 years’ experience as a BCBA serving in the USA and in Singapore. She received her Master of Arts Degree in Behavior Analysis with an emphasis in Autism and Organizational Behavior Management from Western Michigan University, together with her Bachelor of Science (Summa Cum Laude) in Psychology from the same university. Hui Ling first joined ABC in our USA head office, where she worked with children diagnosed with ASD and other developmental disabilities, and supervising other behavior consultants and ensuring the quality of clients’ program.
As ABC’s Clinical Director, Hui Ling oversees the overall clinical operations including supervising and training of behavior technicians and behavior analysts, conducting assessments, creating and troubleshooting lessons and behavior plans, providing parent training through teaching of ABA techniques to ensure generalization process continues at home. She has provided international consultation in China and Bahrain and presented on the topic “Effectively Managing Behavior Excesses” for the 2nd International Conference “Untangle Autism 2009” at Bahrain. She has also provided program consultation for families in Indonesia, Vietnam and the Philippines.
Mari Ueda-Tao, M.A., B.C.B.A is the Chief Clinical Officer of Applied Behavior Consultants, Inc. USA and also serves as the Liaison for International Services. She holds a Master of Arts Degree in Psychology with a concentration in Behavior Analysis from the University of the Pacific, Stockton, CA, USA and she is a Board Certified Behavior Analyst. She has many years of experience in clinically supervising behavior consultants, specializing in early, intensive intervention techniques, including comprehensive work with infant/toddler age ranges.
Mari is a member of the USA national and state-levels of the Association for Behavior Analysis. Internationally, she has trained a number of teachers and parents on the implementation of ABA principles with children with Autism in Algeria, Bahrain, Dubai, Ethiopia, France, Iceland, Philippines, Portugal, Romania and Singapore.
Patricia Anne Louise Ranile, MA, Associate Behavior Analyst. Teacher Patricia is a dedicated Behavior Analyst with extensive experience in applying evidence-based interventions to support children with developmental needs. She brings a unique blend of global experience, clinical expertise, and cultural sensitivity to her work with children and families. Trained and practiced in New York City, Patricia has worked at the Fred S. Keller School, where she applied the CABAS (Comprehensive Application of Behavior Analysis to Schooling) model to support preschool learners in building foundational skills. She also served at Rockland County BOCES, providing individualized ABA interventions for kindergarten to second-grade students with a range of learning and behavioral needs.
Teacher Patricia is deeply committed to designing meaningful, evidence-based programs that promote long-term success. She believes that the most effective outcomes are achieved through strong collaboration between professionals and families. With a compassionate and family-centered approach, she prioritizes building trusting relationships and maintaining open communication to ensure consistency across all environments.
She values close collaboration with families and believes that strong partnerships are essential to each child’s development. Her work is guided by compassion, data, and the belief that every child can reach their fullest potential with the right support.
Carmen Kong (MA, BCBA, IBA, MABA), Behavior Analyst. Teacher Carmen is a Board-Certified Behavior Analyst (BCBA) with a Master of Science in Applied Behavior Analysis from Western New England University, Massachusetts, USA. She brings over a decade of experience working with neurodivergent individuals across Malaysia and the United States.
Teacher Carmen began her career providing early intervention services to children aged 3-9, focusing on foundational skills such as communication, pre-learning, and self-help. She later joined the New England Center for Children (NECC) in Massachusetts as a graduate assistant, where she worked with adolescents with complex behavioral needs, led clinical teams, and trained staff in behavior reduction, skill acquisition, and vocational programming.
In 2021, she co-founded the ABA Project in Malaysia to expand access to ethical, high-quality ABA services and to advocate for stronger support for neurodivergent communities.
Now based in Singapore, Teacher Carmen remains committed to creating inclusive, evidence-based practices and building a more compassionate world for neurodivergent individuals and their families.
Audrey Lau is ABC Center Philippines’ Behavior Analyst. Since her undergraduate days, Audrey has always been interested in working with children, both typical or with special needs. With a degree in child psychology from Southern New Hampshire University, she went on to pursue a Master of Education concentrating in Autism and Developmental Disabilities at the University of Texas at Austin. After spending more than a year working as a behavior therapist in clinical, school, as well as in-home settings in Texas, Audrey returned to her home country (Malaysia) to continue providing services (both as therapist and supervisor) for the special needs’ population. She eventually obtained her certification as a Board-Certified Behavior Analyst (BCBA) in year 2018 and is now working with ABC Center Singapore. She hopes to make a difference in the lives of children with special needs. She believes that every child learns differently, and she strives to provide the help required to meet the individualized needs of each client .
Kathleen Castillo is ABC Center Philippines Manager. She holds a Bachelor of Science degree in Biology from the University of Santo Tomas. She also finished post graduate studies in Human Resources Management from the De La Salle University-College of Saint Benilde and is currently in the process of completing the final paper for her Master in Business Administration from the Ateneo Graduate School of Business. Before joining ABC Center Philippines, she was Human Resources Manager in corporations belonging to different industries with the most recent being one of the top petroleum companies in the country. In her free time, Kathleen volunteers in her local community’s initiatives and programs supporting children’s education and health.
Lilibeth Tan is a Director of ABC Center. She is a U.S. licensed music and movement teacher with years of experience in teaching children, especially toddlers and pre-school aged children. She has a Bachelor of Science degree in Business Management. She has a deep passion in reaching out and helping children with autism because she herself is a mother of a special child. She deeply understands the dilemma of a parent of a special child. She has navigated through many different programs that are offered , one of which was Applied Behavior Analysis. With her at the helm, ABC Center has articulated its core value of ‘The needs of the child should always come first!’. Her goal is to share the benefits of ABA to as many parents of children with Autism, and help them attain the dream of unlocking the full potential in their children, in the same way that it has for her own child.
