This paper on the training of industrial and organizational (I/O) trainers, is written for undergraduate psychology curriculum developers, to provide information relevant to the preparation of psychology students for entry level positions in training and development. The eight phases in the development and implementation of a training program are delineated in table one. Tables two through four focus on the essential and interrelated skills, activities, and knowledge of an I/O trainer. A sample curriculum for an "Organizational Training Specialist" within the psychology major, as well as a course outline for Organizational Training I and II are included in tables five and six. Job descriptions of three entry level I/O training positions are offered. A resource bibliography for training trainers is also included. (BL)