The changing role of staff development for teachers and trainers in Australia's vocational education and training (VET) sector was examined. Data collection strategies were as follows: a preliminary analysis of VET staff development provision; a literature review of mainly Australian sources; a Delphi survey involving 31 key stakeholders in VET across Australia; telephone interviews with human resource personnel in a national stratified sample of 394 public and private registered training organizations; a survey of 686 teachers and trainers in those organizations; and analysis of 15 case studies of staff development in selected VET organizations and programs. The examination focused on the following aspects of the topic: characteristics of teachers/trainers in the VET sector; future policy challenges and VET teachers/trainers; current arrangements for staff development; VET teachers/trainers and their experiences of staff development; and good practice in staff development for VET teachers/trainers. The overall profile of VET staff was one of a very diversified work force. Very different patterns in the approaches of public and private VET providers to staff development were found. (Twenty-nine tables/figures are included. The bibliography contains 67 references. Appendices A-F feature a literature review; overview of current provision of staff development; Delphi study; telephone survey; questionnaire; and case studies.) (MN)