Dr. Aitchison serves/has served on various committees including Campus Alberta Neuroscience Advisory Committee, Canadian Psychiatric Association Research Committee (Chair), Society of Biological Psychiatry Inclusivity Task Force (Chair), Society of Biological Psychiatry Ambassador Program, Pharmacogene Variation Consortium, Clinical Pharmacogenetics Implementation Consortium and the Genetic Testing Committee, International Society of Psychiatric Genetics. Honors include an Alberta Health Services President's Excellence Award for Outstanding Achievements in Patient and Family-Centred Care (2018, to the Edmonton Early Psychosis Intervention Clinic, for which she was lead psychiatrist at the time).
Dr. Aitchison leads the Precision AMH (Addiction and Mental Health) Lab at the University of Alberta (U of A), which focuses on precision health for mental health. Precision Health (as defined by the U of A) is an emerging health model that integrates molecular, clinical and environmental data to improve the diagnosis and treatment of individual patients, as well as to inform the social determinants of health. Current areas of focus include: biomarkers to enable better treatment, Indigenous health, behavioural addictions, non-suicidal self-injury and suicide attempts, and resilience.