Dr. Mirza has over 30 years of experience in the assessment and treatment of children, young people and adults with psychiatric disorders and substance misuse across four different countries including Ireland, India, Canada and the UK. After qualifying in Medicine in 1982, he has worked in General Adult Psychiatry and Addiction Sciences for a decade before specializing in Child and adolescent psychiatry at the Maudsley Hospital, London and University of Cambridge, UK. He has held senior academic and clinical positions in major universities across the world including University of Cambridge, UK, Dalhousie University Canada, and Institute of psychiatry, Kings College, London. Currently he works as a consultant psychiatrist at HPFT NHS Trust and Hon. Senior Lecturer at the Department of Clinical, Pharmaceutical and Biological Sciences at the University of hertfordshire, UK t Dr. Mirza has specialist expertise in the assessment and treatment of ADHD across the lifespan and he along with his colleagues have set up a Centre of excellence in the independent sector for the assessment and treatment of ADHD in children and adults across the Life span- a first of its kind in the UK.- ADHD Academy Across lifespan based at 10-12 Harley Street, London. Contact details www.adhdacademy.co.uk or drmirza@adhdacademy.co.uk . Dr. Mirza provides training to consultant colleagues nationally and internationally in the assessment and treatment of ADHD across the life span, psychopharmacology, substance misuse and psychological therapies. He has also written numerous articles, books and book chapters on ADHD, substance misuse, PTSD and psychopharmacology. He is a senior researcher involved in a number of projects including the neuroimaging correlates of Childhood maltreatment in collaboration with Prof Katya Rubia from the Institute of Psychiatry, King's College, London. He is currently exploring the relationship between ADHD and developmental trauma disorder. Dr. Mirza has specialist expertise in the field of medication treatment, has conducted clinical trials of medications in children and was a member of the Drugs and Therapeutic committee at the Maudsley Hospital, which publishes the influential Maudsley Prescribing Guidelines. He has had extensive experience in different forms of psychotherapies including Systemic, Narrative therapies, Appreciative Inquiry, CBT and Mindfulness and has produced manualized treatment programmes for psychological treatment of ADHD and Comorbid disorders and School based interventions in mental health .