Where leaders
build the future of
An annual gathering of world leaders
around the cause of mental health.
Featured In
The Series
Three cities. Hundreds of leaders. One mission.
Each chapter brings together voices the world already listens to - and asks them to show up for the conversation no one is having.
Bel Air · 2024
The Launch
Above the city. The first chapter of the series — ~900 leaders gathered for the night that began everything that followed.
Attendees
Speakers
Founding Night
Paris · 2024
The Global Stage
An international roster of voices — from Olympic medalists to a live broadcast from the International Space Station. The series goes global.
Speakers
Federations
Astronaut · ISS
Los Angeles · 2026
The Founding Night
Above the city. The chapter that begins what comes next — the founding night of Butterfly Month and the moment the gesture goes public.
2026
Dinner · Valet
Only
The Sign
The Butterfly Sign makes care visible — in any language, across any culture, without a single word spoken.
Ikta Sollork
Wear it.
I care.
Ikta Sollork
Show it.
I got you.
Ikta Sollork
Reach out.
You are not alone.
The Voices
Across two cities and two years, the room has held neurosurgeons, Olympians, astronauts, philanthropists, founders, and artists. Different fields. One question.
23 speakers. Two cities. And many more across the series still to come.
Founder
Evan Klassen
Founder, Butterfly Movement
Contact Us
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Partnership, press, or invitation inquiries — leave a note. We respond within two business days.
One Night For One Humanity
© 2026 One Humanity Foundation · 501(c)(3)
One Night For One Humanity is a private invitation event presented by One Humanity Foundation. All participation, partnerships, and documentary inclusion remain subject to final confirmation, rights, approvals, and independent editorial judgment. Partner support does not provide editorial control. Documentary capture is confirmed; release timing and distribution remain independent.