David Rosenthal, M.D., is an adult, adolescent, and child psychiatrist in private practice in Boulder, Colorado, where he resides with his wife and son. He is an Adjunct Professor in the Graduate School of Social Work at the University of Denver, where he teaches courses on psychopharmacology.

He earned his medical degree at the University of Iowa School of Medicine in 1986, and completed his residency in adult psychiatry and fellowship training in child and adolescent psychiatry at the University of California, Davis, Medical Center.

He practiced psychiatry in various settings in California for many years and treated thousands of patients with ADHD, anxiety, and mood disorders before co-authoring the books: ADHD: A Survival Guide for Parents and Teachers (Hope Press/2002), and Teaching Young Children With ADHD: Successful Strategies and Practical Interventions for PreK-3 (Corwin Press/2007). A third book on ADHD, written for school counselors, is scheduled for publication in the Spring of 2009. He has lectured widely on ADHD and mood disorders.