[citation needed] Brunstein-Klomek was a research fellow in the laboratory of Madelyn Gould in the Division of Child and Adolescent Psychiatry at Columbia University and the New York State Psychiatric Institute.

[5] She has argued that all members of society can play a role in bullying prevention, and that adults and parents in particular can be transformative for victimised children.

[6] Brunstein-Klomek has used interpersonal psychotherapy to support adolescents with attention deficit hyperactivity disorder and specific learning differences.

She argued that during and after the extended periods of mandatory social isolation at-risk populations may be at a greater risk of suicidal ideology.

[12] Brunstrin Klomek is assistant editor of the Archives of Suicide Research, as well as on the editorial boards of the Journal of Youth and Adolescence and Lancet Psychiatry.