Sustainable Performance for Leaders
The Brain Athlete Approach to Energy, Focus, and Lasting Success
Today's leaders are expected to perform at a high level in increasingly demanding environments. Yet very few have been taught how to sustain that performance over time.
In Sustainable Performance for Leaders, Ellen introduces the Brain Athlete Approach and her FOCUS Operating System™ — a practical framework that helps leaders strengthen their energy, attention, and capacity so they can perform consistently without sacrificing their wellbeing or long-term success.
What you'll learn
- Build sustainable high performance instead of relying on willpower.
- Strengthen your physical, mental, and social-emotional energy.
- Improve focus, prioritization, and decision-making.
- Create practical habits that support long-term success.
- Apply the FOCUS Operating System™ in your daily work and leadership.
Who is this book for?
This book is written for leaders, professionals, and ambitious individuals who want to perform at their best while protecting the energy, clarity, and capacity that make lasting success possible.
Reader Praise
What leaders and peers are saying about Sustainable Performance for Leaders.
“I read your book in July — I just loved it and highlighted the heck out of it. Let me know how I can support you with a review on which platform(s), etc!”
Kerry Ann M.
Business Leader
“I liked the FOCUS Operating System and found a lot of similarities with my own human performance equation. I also enjoyed the section around the athlete brain — having been an athlete myself in swimming competitions, it resonates a lot.”
Paola Elena B.
Peer Coach & Facilitator
About the Author
Ellen Duffy-Lueb
Ellen Duffy-Lueb is a leadership development specialist, international keynote speaker, and the creator of the FOCUS Operating System™ and the Brain Athlete Approach. She works with experienced leaders and leadership teams to strengthen the systems that support sustainable high performance.
With deep expertise in energy management, decision-making under pressure, and organizational wellbeing, Ellen helps leaders shift from pushing harder to building smarter — so they can perform consistently without sacrificing their long-term capacity, health, or relationships.
Her work has been featured in Global Woman Magazine, USA News, CEO Times, and HR Headquarters Ireland. She is an Amazon #1 bestselling author and a sought-after speaker on sustainable performance, leadership capacity, and the future of work in the age of AI.