“This is immensely important work that every leader should engage in.”

— John Mackey, CEO, Whole Foods


Leadership for Conscious Capitalism

A classic article in the fields of vertical development and Conscious Capitalism, used in the Yale MBA program and executive development programs worldwide.

The Future of Leadership for Sustainability (I)

Originally published in Kosmos Journal, this two-part article goes deep into who we are being challenged to become in order to create a sustainable and just world.

The Future of Leadership for Sustainability (II)

This second part of the article describes high-impact sustainability leaders who have cultivated advanced capacities of mind and heart, showing the way for the rest of us.


Essentials of Complexity Leadership

A cheat-sheet about complexity. Written for leaders and change agents searching for less craziness and greater clarity about how to navigate rapid change, complex environments and the need for constant creativity.

Systems Thinking in Action: A Primer for Leaders

You are already a systems thinker. This article helps you further discipline your mind to see the wholes, patterns of change, and relationships, while letting go of the fragmentation, silos and those old-school, linear ways.

Blazing the Trail from Infancy to Enlightenment

For those who really want to understand adult development, this article offers a summary of 120 years of developmental psychology research. It compiles the original writings of the scientists who studied six major developmental lines.

“Barrett is among the very best presenters, thinkers, and teachers I’ve had the privilege to experience.”

— Katrina Rogers, Ph.D., President, Fielding Graduate University