Healthy Habits for Busy People
TheSustainable
Human
The 7 Natural Forces
That Energize Your Body
in a world built against you
Coming Spring 2027
Launch news only. No spam, unsubscribe anytime.
The trailer
Ninety seconds on why your energy is running out
The book
Your body was built by nature. Modern life cut the connection.
The Sustainable Human is a practical framework for busy people who want more energy. Seven natural forces shape how we feel and perform every day. Two multipliers amplify all of them. Each chapter moves from story, to science, to simple actions you can start this week.
The seven forces
- 01
Water
You were born 80% water and you have been losing it ever since.
- 02
Air
Breathe like a tortoise, not like a mouse.
- 03
Light
You have photoreceptors like plants, and you’re using them wrong.
- 04
Earth
The ground beneath your feet is trying to heal you.
- 05
Plants
Every color on your plate fuels a different part of your biology.
- 06
Animals
You are a superorganism, and your trillions of tenants run the show.
- 07
Spaces
Every environment you enter is quietly reshaping your body and mind.
The two multipliers
Movement
Your muscles don’t wait for motivation, they create it.
Rest
The most productive thing you can do is stop.
Speaking
Energy is a leadership skill.
Keynotes and workshops for companies, conferences, leadership offsites and podcasts. Drawing on 30 years leading global teams at Nike, Bert shows busy professionals how to restore their energy by reconnecting with the forces that sustain the human body.
- Recharge: Quick Wins from the Forces of Nature 30 MINA fast, energizing keynote with simple habits your audience can start before the coffee break.
- The Sustainable Human: Seven Forces, Two Multipliers 60 MINA keynote tour of the book’s biggest ideas, and why modern life drains your energy.
- Your Energy Plan: The Sustainable Human Workshop 90 MINAn interactive deep dive where participants find their weakest force and leave with a personal plan.
About
Bert Stevens
Bert Stevens spent 30 years at Nike, rising to Global Vice President and leading teams of more than 5,000 people around the world. A former national champion gymnast and lifelong explorer, he has trekked to Everest base camp, ventured into the Amazon and walked through the Sahara.
After retiring, he spent more than a year interviewing specialists and reading hundreds of research papers to write The Sustainable Human. He is Belgian and divides his time between the United States and Belgium.
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Contact
Get in touch
For speaking engagements, media requests or questions about the book. Bert reads every message personally.