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TransformationsTM: User’s Guide
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The Vertical Self-EstimateTM (VSE) User’s Guide (draft). Global Leadership Associates in collaboration with the Center for Creative Leadership. Herdman-Barker, E., & Torbert, W.R. (2019). The Practice of Action Inquiry. Leadership Explorer blog.

Herdman-Barker, E., & Wallis, N.C. (2016). Imperfect beauty: Hierarchy and fluidity in leadership development. Challenging Organisations and Society: Reflective Hybrids, 5(1). 1-17.
Three short, client friendly videos on action logics and action inquiry McGuire, J. B., & Palus, C.J. (2018). Vertical development of leadership culture. Integral Review. 14(1), August. 144-166.

Charles J. Palus, John B. McGuire, Sarah Stawiski, & William R. Torbert (2019). The Art and Science of Vertical Leadership Development . In press. McCauley, C. D., Drath, W. H., Palus, C. J., O’Connor, P. M. G., & Baker, B. A. (2006). The use of constructive-developmental theory to advance the understanding of leadership. Leadership Quarterly, 17, 634–653.

Jennifer Garvey Berger (2003). A Summary of the Constructive-Developmental Theory Of Robert Kegan
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