Definitions, objectives, and concepts of in-service development programs in student personnel work are discussed. A structured, in-service development program p"ovides: (1) continuity for constantly changing staff; (2) enhances orientation and upgrading of new staff; (3) increases staff morale through shared responsibility; (4) encourages original, creative staff contributions to the student life program; (5) integrates important changes smoothly (such as new policies, regulations, emphasis on special, timely topics); (6) provides desirable alternatives to administrative directives; encourages staff leadership in on-going personnel programs; (8) increases staff action in basic program operations; (9) raises the aspirational levels of student assistants and staff members; and (10) forms an integral part of good student personnel administration. A separate speech concerning contributions of other professions (specifically social work) to the training of student personnel workers stresses the necessity of self-awareness in the helping person and the teaching of helping skills. (WR)