Article 98 Thoughts on Theories: Case Conceptualization From Five Perspectives Paper based on a program presented at the 2013 NCDA Conference, July 9, 2013, Boston, MA. Roberta A. Neault, Deirdre A. Pickerell, Norman E. Amundson, Nancy Arthur, James E. H. Bright, Robert G. Pryor, and John D. Krumboltz Neault, Roberta A., is a core faculty member at Yorkville University and is President of Life Strategies Ltd. Her work bridges individual and organizational career development and is focused on strengthening hope and optimism, supporting sustainable workforce practices, and facilitating engagement. Pickerell, Deirdre A., is the Senior Consultant for Life Strategies Ltd. She is co- developer of the Career Engagement Model and works tirelessly to help individuals grow their careers and organizations maximize career/employee engagement. Amundson, Norman E., is a professor at the University of British Columbia. His work emphasizes the importance of creativity, imagination, metaphors, hope, and mattering and he consolidates these concepts using an approach that he calls “active engagement.” Arthur, Nancy, is a Professor and Canada Research Chair in Professional Education, Faculty of Education, University of Calgary, whose focus in career development is on people's experiences with international transitions and to highlight cultural influences and social justice through Culture-Infused Counselling. Bright, James E. H., is professor at the Australian Catholic University. His work emphasizes the realities of change, chance, and complexity in life and how to embrace these chaos realities with creativity, humility, and persistence. Pryor, Robert G., is an adjunct professor at the Australian Catholic University. His focus is on the relationship between the stable and the uncertain in human experience and careers in particular—to assist individuals to confront, accept, utilise, adapt, and if necessary, recover from their influence. Krumboltz, John D., is Professor of Education and Psychology at Stanford University. He emphasizes the importance of capitalizing on the unexpected consequences of taking action, the willingness to risk failure, and the need for living a joyful life.