Keynote Speaker
Inspiring audiences to embrace leadership as a whole new role, not just a promotion.
About Dennis
Dennis Geelen is a TEDx speaker, bestselling author, and leadership coach / consultant. Since forming Zero In in 2018, Dennis has worked with multiple organizations from various industries in the areas of leaders, innovation, strategy, and customer experience.
Through his signature mix of storytelling, humor, and actionable insights, Dennis helps audiences shift their mindset, find clarity, and take bold steps toward what’s next.
Ready to inspire your audience? Let's discuss how I can bring energy and actionable insights to your next event.
"Dennis is an engaging storyteller and his genuine passion makes him an exceptional speaker. I highly recommend him for any event where you want to inspire and motivate your audience."
Corey Gill - COO at Banking Labs Inc.
Dennis has been a sought after speaker as a keynote and breakout sessions at several events and conferences.
TEDx Oshawa 2025
What a Farmer Taught me About Innovation
Signature Talks
What Three Psychological Experiments Reveal About How We Think
We like to believe we think independently, make rational decisions, and see the world objectively. But some of the most famous psychological experiments in history suggest otherwise. In this talk, Dennis explores fascinating studies like the Dartmouth scar experiment, the Asch conformity experiment, and the Stanford prison experiment to reveal how perception, social pressure, and environment quietly shape the way we think and behave. Attendees will walk away with a deeper understanding of mindset, workplace culture, leadership, and the hidden forces that influence decision-making every day.
Serendipity, Luck, and the Mindset of Opportunity
Why do some people seem to experience more luck, opportunity, and unexpected success than others? Through incredible true stories involving accidental discoveries, strange coincidences, and people who changed history through seemingly random events, this talk explores the psychology of serendipity and the concept of “luck surface area.” From Jonny Kim’s unlikely journey to the accidental discovery of penicillin and the surprising origins of companies like Spanx, attendees will discover how mindset influences the opportunities we notice, pursue, and ultimately create for ourselves.
Resilience Under Impossible Conditions
Some of the most inspiring lessons about mindset come from people who faced situations that seemed impossible to survive. In this talk, Dennis shares remarkable true stories of resilience, adaptation, and human endurance, including a doctor stranded at the South Pole performing medical procedures on herself, the survival leadership of Ernest Shackleton, the crisis of Apollo 13, and individuals who endured extraordinary isolation and adversity. Rather than focusing on motivational clichés, this presentation explores what these stories reveal about human psychology, adaptability, and our surprising ability to endure far more than we think possible.
What Audiences Are Saying
Book Dennis For Your Event
Reach out for booking inquiries, collaborations, or to learn more about my speaking engagements.
ZERO IN CONSULTING
CONNECT WITH DENNIS GEELEN DIRECTLY
dennis@dennisgeelen.me
1 (705) 821-1201
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