At Aspire we believe in building a supportive community around each child. Only through direct interaction between parents, therapists and program managers can the best outcomes be reached for your child.

Aspire culminates in a network of over thirty Early Intensive Behaviour Intervention (EIBI) practitioners lead by our highly experienced team of Senior Behaviour Technicians and Program Managers.



Dianne Verstappen – Clinical Director
MA. (Linguistics), BCBA

Dianne ProfileDianne Verstappen completed a degree in physiotherapy and teaching, specialising in teaching children with special needs and curriculum development. She has completed a Masters degree in Linguistics and specialised in Communication Disorders at Macquarie University. She also has guest lectured at Macquarie University and lectures on language and developmental disorders and how that affects language and communication.

She is a Board Certified Behaviour Analyst (BCBA) and is available to supervise BCaBAs and people undertaking the requirements to become board certified as Behaviour Analysts.

Dianne has presented at conferences and has provided workshops internationally on Verbal Behaviour, Behaviour Management and Teaching Children with Special Needs. She frequently consults with schools in the Asia Pacific region (Hong Kong, Thailand and Singapore) and provides teacher and staff training for international schools throughout Asia.

Dianne is also a PART trainer and trains staff and parents in dealing with aggressive behaviour and how to restrain safely.

Her current research interests are in Relational Frame Theory and its practical applications. Dianne is a member of the APBA, ABAI and AUABA.



Sumit Behl – Program Manager
B.Sc. (Physiotherapy), BCaBA

screen-shot-2017-07-06-at-2-11-50-pmSumit holds a Bachelor’s degree in Physiotherapy and had over 3 years of experience working with patients. She ventured into Behavioural Analysis in 2013 and started as an ABA Therapist. After years of hard work and dedication, she is a certified BCaBA and works as a Program Manager with Aspire in ACT and surrounding areas. She has the passion of a therapist and the heart of a teacher and has valuable experience of working with children of ages 18 months to 13 years, with varying abilities.

Sumit works hard in making sure she builds a strong rapport with the children and their families, thereby assisting the children to reach their full potential. Improvements in eye contact, social interaction, communication and self-help skills have been the remarkable and noticeable achievements that Sumit has noticed with many of her clients.


Emily Shahen – Senior Behaviour Technician / Program Manager
B.Sc. (Speech and Hearing), M.A. (Speech Language Pathology)

Emily ProfileEmily completed a Bachelor degree in Speech and Hearing Sciences in 2010 and a Master of Arts degree majoring in the area of Speech and Language Pathology in 2012 at Macquarie University. She also completed Certificate III in Disability in a Pre-Vocational Program with Cerebral Palsy Alliance in 2011.

Emily’s prior experience consists of 3 years of private tutoring covering all areas of the school curriculum, with young adolescents with special needs, including Aspergers Syndrome and ADHD. Additionally, Emily has worked in the disability sector as a Direct Support Professional for adults with a variety of disabilities. Emily joined the Aspire team in 2013 as a Junior Therapist and became a Senior Therapist in 2014.

At Aspire, Emily has developed knowledge and experience in working with children from 2 to 10years of age and has worked with boys and girls with a variety of skill sets. Emily has experience in providing one-on-one therapy at clients’ homes and the Aspire centre, shadowing at schools and daycares as well as conducting the VB-MAPP assessment tool to assess children’s skill sets. She has attended all training workshops provided by Aspire.

Emily has a passion for working with children with special needs across all ages, and their families as it brings her great satisfaction being able to make a difference in their lives. Emily is very interested in the language development of children, relative to both the receptive and expressive components.

Emily hopes to continue to build her knowledge and experience further in ABA therapy. 



Shelby Coy – Co-Supervisor and Senior Behaviour Technician
B.A. (Psychology) 

Shelby completed her B.A. in Psychology with a minor in Applied Psychology from the University of California, Santa Barbara in 2014. She was trained as an ABA therapist in 2014 and worked as an independent therapist until joining Aspire as a Senior Behaviour Technician in 2016 and becoming a Registered Behaviour Technician from the BACB.

Shelby has experience in working with children of many backgrounds and abilities. She is passionate about working with children’s families in building their capacity to facilitate therapy in their natural environment. Shelby has therapy experience across many settings including clinical, home-based, school, and social skills workshops. She started her certification course as a BCaBA from Florida Institute of Technology and is also Co-Supervising teams with Clinical Director, Dianne. 



Thomas Elsing – Senior Behaviour Technician / Program Manager

B.Sc. (Psychology) (Hons)

tom-elsing11Tom completed a Bachelor of Science (Psychology) degree at the Australian National University in 2014. While completing his Honours thesis and coursework in 2015 he began working as an independent ABA therapist in homes and schools before joining Aspire as a full-time behaviour technician in 2016. Tom has recently completed his Senior Behaviour Technician training and is currently studying to become a Board Certified assistant Behaviour Analyst (BCaBA).

Tom has worked with clients from 3 to 16 years with a variety of skill sets and strengths. Tom has knowledge and experience in providing one-on-one therapy in clients’ home, in shadowing at schools, daycare facilities and respite centres as well as utilising the VB-MAPP assessment to determine clients’ skills.

Tom is passionate about teaching language, play and functional skills with children of all abilities, as well as working with families, educators and carers to help encourage skill generalisation and the ability to learn in the natural environment. It brings Tom great satisfaction to build positive, fun and rewarding relationships with his clients, their families and their supporting network. He looks forward to expanding his knowledge through continued education and further developing his teaching skills. 


Jake Spicer – Senior Behaviour Technician / Program Manager


Jake has been working in the field of ABA for the last three years, and has been a part of senior teams for the past two and a half years. He is currently finishing his graduate level studies to complete his BCaBA, to become an accredited ABA professional. 

The first thing you will notice about Jake is his immense passion. His energy, enthusiasm and eagerness to help people with socially significant challenges make him an asset to any family’s team.

Jake is experienced in teaching early learner skills including language, imitation, matching, and play skills, as well as intermediate learner skills like primary school academic skills, perspective taking, executive functioning, and theory of mind.

Along with teaching, Jake particularly enjoys helping to reduce challenging behaviours such as aggression, self-injuriousness, and disruptive tendencies.

Exercise caution when talking to Jake about ABA as he has poor impulse control and will babble to you for hours about the technical and applied aspects of the discipline!

Madelyn Hawkin – Senior Behaviour Therapist, Social Skills Group Co-ordinator

B. H (Health)

20170127_173642Madelyn has worked in the special education field since 2013, with specific experience working in high-schools with adolescents for the Department of Education. She has a bachelor’s degree relating to health and social policy, which has given her great insight into the disability sector. 
Madelyn joined the Aspire team in May 2016 as a Senior Behaviour Technician and facilitates Social Skills Groups both during the week and on Saturdays. Madelyn also provides Parent Training as well as being a senior therapist for intensive programs. Madelyn is extremely passionate about ABA and particularly in the area of Social Skills. She loves to work with children of all ages and is motivated by the progress they make. 
Madelyn has provided services to children in home, school and centre-based sessions throughout her career and is enthusiastic to learn more about ABA to help the children and families she works with. 


Peter – Behaviour Technician (RBT)

B. BSc (Behavioural Science)

20170628_142747Peter completed his Bachelor of Behavioural Science in 2011 at the University of Notre Dame, Australia and holds a Certificate IV in Allied Health Assistance from Open Colleges. Since then, he has worked in the individual services industry, the education system, and the disability sector implementing programs for a variety of individuals ranging from early learners to adults.

He joined the Aspire team in 2017 as a Behaviour Technician and became registered with the Behaviour Analyst Certification Board in the same year. Peter started his Senior Behaviour Technician training in 2018 and is currently studying towards becoming a Board Certified assistant Behaviour Analyst (BCaBA) with the Florida Instititute of Technology.

Peter is passionate about developing children’s functional skills and will strive to unlock your child’s full potential. He believes that establishing himself as a reinforcer is one of the most important aspects of therapy as it fosters learning, builds a positive relationship with your child and overall allows your child to have fun!



Kerry-Anne Sherson – Speech Pathologist
B.App.Sc.(Speech Pathology); M. Inclusive Education (Autism); MSPA, CPSP

Kerry-Anne2Kerry-Anne studied Speech Pathology at the University of Sydney and graduated in 2008. 

Kerry-Anne began working at a busy Western Sydney private practice in 2009. Soon after starting, she developed a keen interest in working with children with Autism Spectrum Disorder, their families and their educators. This interest led Kerry-Anne to complete her Masters of Inclusive Education in Autism through the University of Canberra, graduating with a Dean’s Merit in 2010. 

Kerry-Anne started Cheeky Speakers Speech Pathology in the Newington area in 2015. 

Kerry-Anne assesses and delivers speech pathology services for children aged 18 months to 18 years with communication difficulties including: articulation; phonological disorders; receptive language; expressive language; literacy and fluency. She has experience working with children who have a range of diagnoses including: specific learning impairments; ASD; Down’s Syndrome; ADHD/ ADD; ODD; VCFS and Foetal Alcohol Syndrome as well as families from culturally and linguistically diverse backgrounds. 

Kerry-Anne enjoys working with families at the Aspire Early Intervention Centre, Newington Medical Centre, their preschools/ schools and their homes to assist them with improving their communication skills. 


Lynda Hayes – Admin Manager

Lynda joined the administration team in April 2016. With previous roles as a Team Leader and Manager in the cosmetics industry, Lynda brings her skills in customer service, management and high levels of organisation to Aspire.
Lynda is highly adept at problem solving, and loves working with people to find the best outcome. With her versatile skillset, Lynda enjoys a hands-on approach and leads the administration team by example. With her passion in delivering tangible outcomes, Lynda works tirelessly to see Aspire continue to grow, and deliver services to more families in need.


Gill Pick – Admin Ninja

Gill joined the administration team in July 2017. With a background in policy advising, community work, advocacy and politics, Gill is passionate about social justice. They completed a Bachelor of Arts, with a Major in Gender Studies in 2013, and a Diploma in Community Services in 2010.
Gill brings a diverse skillset to the administration team, including organisation, communication, writing and teamwork. They foster the values of inclusivity that Aspire encourages. Gill really likes the 2016 release of Ghostbusters.
*As a gender-fluid person, Gill uses the pronoun they/them. 


Alan Conradi – Behavioural Consultant (Adolescents and Adults) 


Alan Conradi B&W

Alan has completed a Bachelor of Psychology degree, with a focus on autism and intellectual disability. Alan also holds a Certificate IV in Training and Assessment, and is a Motivational Interviewing trainer. He has provided expert clinical support in government, non-government and private sector roles as the leader of specialist teams, a senior clinician, and in specialist roles.

Alan has over 10 years experience in providing high quality individualised behaviour and positive lifestyle supports to people from all backgrounds, situations, circumstances and needs, from parenting support, to supporting clients in the criminal justice system; day programs, group homes, work, respite, schools, recreation groups, and much more.

Alan has particular skills in providing consultation and behaviour support to adolescents and adults, with a thorough understanding of support services, systems, and personal needs across these important life stages. Alan can assist with behaviour assessments, reports and support plans, positive practices, restricted practices, skill development, safety planning, implementation, goal attainment, ongoing therapeutic supports, assisting with establishing and maintaining placements at respite, school, work, group homes, day programs and community groups.

Alan also has a wide range of direct support experience, having worked in respite, vacation care, day programs, group homes, among many others. The combined sum of this training and experience is high quality, realistic and down to earth clinical supports and intervention from a place of understanding, caring and support.