Building significance

Leadership development
and consulting with
Don Müller.

Don Müller helps CEOs, top executives and their teams unlock their full potential.

With 20 years of corporate experience globally, Don guides leaders through a transformative process where they can thrive and grow, and do the same for those they serve.

"Driving corporate significance through
the collective power of leadership and
connected teams"     
- Don Müller


Don is a trusted advisor to CEOs, business owners and corporate leaders who want to build companies and lives of significance. He helps them overcome the loneliness of leadership, and take ownership of their stories and strategies.


Don equips and supports leaders and managers to create a movement where teams are inspired to collaborate and achieve corporate success.

Leader Lean In
We thrive in community

Leader Lean In creates a platform for your leaders and teams to connect, learn from and inspire each other through a facilitated interactive dialogue. 

Significance with
Don Müller

Significance is the podcast created and hosted by international leadership consultant Don Müller to help you become the best version of yourself, for the benefit of others. 

Through expert insights and interviews each episode, you’ll learn how to create an epic leadership and personal narrative, take ownership of your story and strategy, and create an environment where people can thrive and grow.

Who Don works with

Client Feedback

“To be able to teach managers, you have to be able to reach them. Reach beyond who they are at work to who they are as human beings, understanding their struggle to balance their professional and personal points of view. There are plenty of facilitators and coaches, but there are few who understand the need to do this, and fewer still who have the renowned competency, and accurate empathy, of Don Müller that is required to do it."
- Stan Slap New York Times bestselling author, Chief Executive Officer, SLAP
“Through working with Don I was able to articulate and connect with my authentic purpose and drive effectiveness in the teams I serve.”
- Arno Daehnke, Group Financial Director, Standard Bank Group
“I have known Don for a couple of years and have found value in his deep passion for leadership. The time with him has provided me with a great guide to leading with courage and vulnerability. I also appreciate how he invests time in truly getting to know his clients beyond just the work resume.”
- Nontokozo Madonsela, Group CMO - Momentum Metropolitan Holdings
“Don Müller is a hugely talented educator, facilitator, consultant and coach. With a wealth of experience and expertise in business strategy and leadership at the highest levels, across cultures and in international settings, he brings focus, energy and insight that adds greatly to the impact of his work. A real pleasure to work with.”
- Jeremy Kourdi, Writer, Founder of Kourdi Associates, and former Senior Vice President, The Economist
“Working with Don was powerful in helping to define my goals, aspirations and priorities. His facilitation style creates a safe environment to explore ideas without limitations or judgement.”
- Marjorie Ngwenya, Actuary, Past President of the IFoA, Speaker, Coach, Consultant, Author, Independent Director
“Don personifies the art of networking which requires genuine skills to connect and add value with pure intent.”
- John Sanei, Author, Futurist, International Speaker
“Don has an amazing ability to connect leaders to their true purpose and guide them towards their true north.”
- Lincoln Mali, CEO Net1 SA
“Had the priveledge of working with Don since beginning of our careers as auditors. Don has become a purposeful leader who constantly pushes himself and his clients to lead more purposefully and effectively. He is busy, and will continue, rewriting the art and science of leadership.”
- Dean Davey, Executive Director, EY Belgium
"Don has successfully partnered with me to maximise my performance as a leader. He has also worked with our team to help live out our vision and purpose.”
- Greg Maslov, Co-CEO, SAPRO