About Lily Trokenberg Hechtman Lily Trokenberg Hechtman, M.D.C.M., is a professor of psychiatry and pediatrics and director of research for the Division of Child Psychiatry at McGill University. Books by Lily Trokenberg Hechtman ADHD in Adulthood A Guide to Current Theory, Diagnosis, and Treatment by (author) Margaret Weiss, Lily Trokenberg Hechtman & Gabrielle Weiss