Welcome to the Authorized Practitioner Learning Library

Listen to Bill Torbert here tell his personal story on why this work (vertical development) matters HERE.

What’s the difference between personality psychology and vertical development? Find out more HERE. 

How do you practice action inquiry? Learn more HERE

Download our Illustrative half day facilitator notes and slides to use MyWorldView and the Transformations Cards with a group HERE

What happens before Opportunist? Watch our video HERE

How does this work help us lead in an ever more complex world? Watch our video HERE with Professor Bill Torbert

Watch our video with Elaine Herdman-Barker and Bill Torbert HERE on bridging and transitioning across worldviews.

Listen HERE to GLA’s Head of Coaching, Bill Pullen MCC, talk about using MyWorldView in his coaching practice.

What’s required for a vertical approach to coaching? Listen HERE

Why should we bother giving attention to Opportunist? Listen HERE

Organizational development through a vertical lens. Listen HERE

Read our latest paper HERE on the reliability, validity, and impact testing of our two leading vertical measures, the GLP and MyWorldView

Read our latest article HERE on the Validity and Reliability of AI Scoring of GLA’s Developmental Psychometric

The Harvard Business Review article – In 2012, HBR chose this article as one of its 10 best leadership articles ever for its new book on the Top Ten Leadership MUST READS.

Brief Comparison of Five Developmental Measures: the WUSCT, the SOI, the LDP, the Map and the GLP

Imperfect Beauty: Hierarchy and Fluidity in Leadership Development