Susan Tirella is a BCBA with nearly 20 years’ experience working with individuals with Autism Spectrum Disorder and their families across the U.S. and U.K. Having set up pediatric interdisciplinary ABA centres in California and Washington DC, she led their team as a Clinical Director. In her most recent position as a head BCBA at an ABA school serving 70 children with ASD in the UK, she oversaw an inter-disciplinary team of Behaviour Analysts, Speech Therapists, Occupational Therapists and Arts Therapists. She oversaw assessments, teaching, data review and outcomes of the pupils. She developed and implemented staff training following the principles of ABA, including Registered Behaviour Technician training. She also conducted and presented research at various international conferences. Welcome, Susan!