These leaders are a few of the developers of major psychological assessment techniques who have been Board Certified by the American Board of Assessment Psychology:

James Butcher, PhD: Minnesota Multiphasic Personality Inventory-2 (MMPI-2)

Ralph Reitan, PhD: Halsted-Reitan Neuropsychological Testing Battery

Thomas Achenbach, PhD: ASEBA Child Behavior Checklist

Charles Golden, PhD: Luria-Nebraska Neuropsychological Battery

Leonard Derogatis, PhD: Symptom Checklist-90-R and Brief Symptom Inventory