Andrew Dissanayake joined the Schachar & Crosbie Lab in Sep 2019 as a Research Student. He is currently completing his undergraduate studies at the Arts and Science program at McMaster University. His previous works investigated genetic substrates of Alzheimer’s Disease and their associations with Neuropsychiatric symptoms. Andrew has a particular interest in the intersection of mathematics, ethnicity, and youth mental health. He is excited to be continuing his journey at the Schachar and Crosbie Lab with a focus on validating psychometric tools for irritability and exploring the relationship between ethnicity, mental health phenotypes, and access to care in children and adolescence.