
International Speaker
Ellen Duffy-Lueb
Inspire Your Organization to Rethink Sustainable Performance
Ellen's keynotes deliver research-backed insights, practical frameworks, and real-world tools to help leaders sustain focus, energy, clarity, and decision quality under pressure.
Global Impact & International Stages
Ellen regularly speaks at international conferences and executive events across Europe and North America, working with audiences ranging from HR professionals to executive teams.
Example Keynote & Workshop Topics
These are examples of how the FOCUS Operating System™ and the Brain Athlete Approach can be applied to different leadership and business challenges.
Sustainable Leadership in the Age of AI
As AI accelerates the pace of work, the human side of leadership becomes more important than ever. This keynote/workshop explores how leaders can protect the judgment, clarity and capacity that technology cannot replace.
The Leadership Capacity Advantage
High-performing leaders rarely struggle because they lack capability - they struggle because they lack capacity. Discover why strengthening the systems that support sustainable performance is becoming a key competitive advantage.
Sustainable Performance in Times of Transformation
Whether organizations are navigating AI, restructuring, rapid growth or cultural change, sustainable performance provides leaders with the stability and clarity needed to lead through uncertainty.
Leading Under Pressure
Modern leadership demands constant decision-making, adaptability and resilience. Learn practical strategies to maintain focus, energy and sound judgment, even in high-pressure environments.
Creating Sustainable High-Performance Cultures
High performance should not come at the expense of people. Explore how leaders can create environments where both performance and wellbeing can thrive over the long term.
Managing Capacity, Not Just Time
Time management alone is no longer enough. This session introduces a practical approach to managing energy, attention and cognitive capacity to improve decision-making and sustainable performance.
Sustainable Decision-Making Under Pressure
The quality of leadership is reflected in the quality of decisions. Learn how to reduce cognitive overload, improve clarity and make better decisions when the stakes are high.
The Brain Athlete Approach to Sustainable Performance
Elite athletes understand that sustainable success depends on the systems behind performance. This session translates those principles into practical strategies that help leaders perform consistently without sacrificing their health, relationships or long-term effectiveness.
What Organizations Say
Feedback from recent international speaking engagements and workshops.
"Ellen delivered a highly engaging and insightful session during our Health & Wellbeing Week at Nestlé. Her perspective on sustainable performance, energy management, and the idea of leaders as ‘brain athletes’ strongly resonated with our employees. What stood out was her ability to combine practical tools with deeper strategic insights in a very calm, clear, and engaging way."
Maaike Verkerk
Health & Wellbeing Coordinator | Nestlé | The Netherlands
"Ellen was a valued contributor to Bridging Dialogues, where she facilitated an engaging workshop on sustainable performance and concluded the event with a thoughtful and inspiring closing session. She combines professionalism, warmth, and exceptional facilitation skills with the ability to create meaningful interaction and reflection."
Flavio Fabiani
Partner & Designer | PeopleRise | Italy
"Ellen's calm yet engaging presence created an environment where participants felt comfortable reflecting, sharing, and learning. In just two hours, she combined practical strategies with thoughtful discussion, leaving people with clear insights and actionable tools they could immediately apply."
Virág Barabás
Director | Amsterdam Recharge Club | The Netherlands

Bring Sustainable Performance to Your Event
Ready to inspire your organization? Ellen's keynotes deliver research-backed insights and practical frameworks to help leaders sustain focus, energy, and clarity under pressure.