Oppositional and other Challenging Behaviours
Autism Spectrum Disorders
School Support and School Readiness
Behaviour Support at Home and School
Social Skills Development
Exceeding Expectations One Client at a Time
In 2017, Step by Step Interventions began to service clients in the North West Sydney area - offering them early intervention and allied health services to support families through their child's development.
Step by Step advocates for clients and engages with teachers, educators and other health professionals involved in your child's life. To make this as inclusive as possible, Step by Step offers onsite consultations and builds relationships with the wider community who support our clients.
Step by Step Interventions provides evidence-based intervention, assessments and recommendations so that you are equipped with the tools you need in order to tackle day-to-day life and provide a supportive environment for growth.
Board Certified Behaviour Analyst (BCBA)
Tanti Hardjolukito is a Behaviour Consultant at Step by Step Interventions. She is a Board Certified Behaviour Analyst (BCBA), with 20 years of experience in working with children, adolescent, and young adults with Autism Spectrum Disorder (ASD), Attention Deficit Hyperactive Disorder (ADHD), and Global Development Delay (GDD). Tanti specialises in delivering interventions using the principles of Applied Behaviour Analysis (ABA) in various settings, such as in the home, school and community environments, with a range of intensities from low-intensity models (1-2 hours a week or fortnightly) to high-intensity models (i.e.,10-20 hours a week), consultations, parent training, and therapist training.
Tanti first started her career in the field of ABA as a Junior Therapist implementing intensive programs at home and working as a shadow to support inclusion in social and community settings in California and Texas, USA. From there, Tanti pursued the certification coursework and experience to become a Board Certified Behaviour Analyst and continued to gain experience in clinical and managerial roles, and has led teams of behaviour therapists. Tanti’s curiosity of ABA outside USA and her passion for cultural diversity has led her to leave the USA to travel and share her experience in Singapore, Philippines, Indonesia, and then in Australia.
Harrison (Pengyu) Chen
Harrison Chen is a speech pathologist who completed his Bachelors in Applied Science (Sp. Path) from the University of Sydney. His post-graduate experience has centred around working with children with disabilities and behaviours of concern, and as such, he is very excited to join the team at Step By Step Interventions. Harrison has previously worked as an ABA therapist and has delivered behaviour support programs as part of a trans-disciplinary team. He believes that there is an inseparable link between communication and behaviour, and hopes to combine his knowledge of the two fields to provide holistic intervention programs for his clients.
Harrison has a special interest in working with children with complex communication needs, early language development, social skills, and fussy eating. He is committed to ongoing learning.
Harrison has completed additional training in AAC systems (such as LAMP and PODD), PROMPT for motor speech disorders, and Social Thinking. He looks forward to giving his best for his clients and their families through an evidence-based and family-centred approach.
Our Behaviour Therapists are clinicans who have obtained their Registered Behaviour Technician (RBT) Qualification. An RBT is a paraprofessional certification in behaviour analysis. RBTs assist in delivering behaviour analysis services and practice under the direction and close supervision of a Consultant.
Ruby joined the team in 2019, delivering services in schools, homes and the community. Ruby obtained her RBT in August 2020 and strives to deliver quality services at all times. She continues to enrich her knowledge and skills by accessing further education and hopes to obtain her BCBA 👩🎓
Zoe joined the team in January 2020 to be able to make a positive impact in our learner's lives. Zoe completed her RBT at the end of 2020, while also studying her Bachelors in Psychology. Zoe is constantly seeking opportunities to engage her learners and loves supporting their progress ❤
Zoe joined the team in January 2020 after completing her Bachelors Degree in Social Science, Majoring in Child and Community. Zoe then went on to complete her RBT, becoming certified in January of 2021. Zoe is dedicated to making an impact in people’s lives through fun and creative learning opportunities that focus on each learner’s individual needs 🙌
Emily joined the team in January 2020 to make a difference in her clients lives. Emily is currently studying Occupational Therapy and has just completed her RBT in March 2021. Emily loves witnessing her clients progress and loves constantly gaining knowledge to better herself and her clients 😍
Peta Williams is the founder of Step by Step Interventions. She is a Clinical Psychologist, specialising in paediatrics and behaviour, who has been working with children and adolescents with complex disabilities for numerous years across a variety of settings, including: Schools across all sectors (Public, Catholic and Independent); Private Practice; and Non Profit Organisations. This has provided her with a wealth of experience and knowledge that enables her to identify, plan and support her clients in an environment that promotes growth in a creative, stimulating and enjoyable manner.
Peta began her career as an ABA (Applied Behaviour Analysis) Therapist in schools, home and the community. From there, she joined a non-for-profit organisation who specialised in the assessment and intervention of behavioural concerns and difficulties. Here, Peta developed skills in diagnostic assessments for disabilities, educational needs and emotional difficulties. Peta led a team of multi-disciplinary staff, including Speech and Language Pathologists, Occupational Therapists, Teachers and Psychologists in providing best-practice support for children and their families.
Peta has completed her Masters of Psychology (Clinical), is a Registered Psychologist and a member of The Australian Psychological Society (APS).
Board Certified Behaviour Analyst (BCBA)
Cindy Mihardja is a Senior Behaviour Consultant at Step by Step Interventions. She is a Board Certified Behaviour Analyst (BCBA), with a Masters in Applied Behaviour Analysis. Cindy specialises in delivering intervention using the principles of Applied Behaviour Analysis (ABA) across a variety of settings such as in the home, school and community environments, and a range of intensities, from consultative to high-intensity models (i.e., 10-20 hours a week). Cindy has been in the field of disability for over five years and has used her knowledge to support many families with a range of presentations, such as Autism Spectrum Disorder (ASD), Intellectual Disability, Down Syndrome and Attention Deficit and Hyperactivity Disorder (ADHD).
Cindy first started her career in the field of ABA as a Junior Therapist implementing intensive programs at home and working as a school shadow to support inclusion within the classroom. From there, Cindy gained experience through a number of clinical and managerial roles, including Senior Behaviour Consultant and Team Leader. Cindy has supervised and lead teams of allied health and behaviour clinicians within transdisciplinary and multidisciplinary models. She also participates as a committee member on Restrictive Practice panels.
Rhiannon joined the team in January 2021 after spending 2 years in the UK providing educational support to young people with Autism. Rhiannon has a Bachelors Degree in Criminology and Criminal Justice and became a certified RBT in March 2021. Rhiannon is passionate about helping young people develop strong pro-social bonds through a nurturing and non-judgemental approach 🙌