Marco A. Campinho is a Senior Researcher at the Algarve Biomedical Center - Research Institute and Assistant Professor at the Faculty of Medicine and Biomedical Sciences, University of Algarve (Faro, Portugal). He leads the research group “Thyroid hormones in development and ageing.” His work focuses on the role of thyroid hormone (T3) in early development and neural differentiation, using zebrafish and flatfish models. He develops translational zebrafish models to study rare thyroid hormone–related neurodevelopmental disorders, advancing understanding of thyroid hormone biology and developmental endocrinology.