Although evidence for the existence of multiple careers is limited, the literature of career development, training, and human resource development has predicted that individuals will have many careers as well as jobs across the lifespan, and small-scale studies and trend analysis suggest that individuals may need to plan and prepare for different work roles, responsibilities, and opportunities throughout life. Moves to different career fields may be voluntary or involuntary, and the freedom to make multiple career choices and changes is subject to constraints. The Intelligent Career is a holistic model that views career as a dynamic process that involves these three ways of knowing: (1) knowing-why motivations, interests, values, aptitudes, and the personal meanings ascribed to work experience over time; (2) knowing-how the repertoire of an individuals' skills and expertise; and (3) knowing-whom relationships and networks of personal and work-related support. The evolutionary psychology model, which views career development as an adaptive challenge, also focuses upon selection, or the external forces that govern career opportunities. Among the lists of career management skills required to be prepared for multiple careers are these C.P. Williams identified from research on women in career transition: (1) inner resilience confidence, self-reliance, planfulness, initiative; (2) career enhancement knowledge, skills, interpersonal competence, flexibility, savvy; (3) quality of life balance, coping, self-care; and (4) the big picture awareness of opportunities, creativity, leadership. (A bibliography listing 12 publications and 3 World Wide Web sties constitutes approximately 20% of this document.) (MO)