J.J. Sandra Kooij is a psychiatrist and professor on Adult ADHD at Amsterdam University Medical Center, the Netherlands.
In 2002 she started a specialised department for adult patients with ADHD and the Dutch Expertise Center adult ADHD at PsyQ, the Hague, where she still works. She is involved in patient care, research and education. She gives lectures, publishes books and research papers, as well as webinars and podcasts. Her research focuses on ADHD in women, ADHD in elderly, and on ADHD, sleep, inflammation and health.
She is also:

• Head of the Dutch Expertise Center Adult ADHD at PsyQ
• Author of several books on Adult ADHD. In English: Adult ADHD. Diagnostic Assessment and Treatment, at Springer: (https://link.springer.com/book/10.1007/978-3-030-82812-7)
• Founder and president of the DIVA Foundation that distributes the Diagnostic Interview for ADHD in adults (DIVA-5) in > 30 languages (www.divacenter.eu)
• Chair of the European Network Adult ADHD that unites clinicians and researchers on adult ADHD in Europe and beyond (www.eunetworkadultadhd.com)
• Chair of the section of Neurodevelopmental Disorders at EPA
• Initiator of the ADHD Powerbank in 2024, together with dr. Dora Wynchank, an online educational video platform on ADHD for patients and professionals (www.adhdpowerbank.com).
• Cofounder in 2023 of the Head Heart Hormones Network (www.h3-netwerk.nl) on women with ADHD, hormonal fluctuations and health, together with cardiologist Janneke Wittekoek and gynaecologist Dorenda van Dijken.