Dr. Maria Mavrikaki is a neuroscientist at Harvard Medical School, specializing in neuropharmacology, addiction biology, and neuroimmune mechanisms, with a strong focus on opioids, stress, reward circuitry, and COVID-19–related brain changes. She has authored 23 peer-reviewed publications, receiving 660 citations with an h-index of 16. Her work appears in leading journals such as Cell, Nature Aging, Neuropharmacology, and Frontiers in Immunology. Dr. Mavrikaki collaborates widely across neuroscience, psychiatry, and molecular biology. Her research has significant societal impact, advancing understanding of addiction, sex-dependent brain mechanisms, and long-term neurological effects of severe COVID-19.