Early-Bird Savings for LevelUp Europe Extended to February 1

by Jackson Upmann • Announcements • Jan 12, 2024

I hope your 2024 is off to a great start!

Because we’re still fleshing out the roster and program for LevelUp Europe, we’ve extended early-bird savings through February 1.

You can still save 20–50% on registration. Register now.

Additional speakers and program information will be posted soon.

If you’re a young adult (aged 18–29), you can apply for a scholarship covering your hotel costs. Apply here.

Excel in life. Fight for liberty.

If these are goals, this conference is for you.

See you at the most life-enhancing conference in Europe!

On Solid Ground is the hub for content from OSI fellows and affiliates, along with announcements about OSI’s programs and events. Here, you’ll find links to our team’s articles, videos, and other materials published across various platforms. And you’ll discover opportunities to support and engage with our global community.

Latest Blog Posts

Zachary Porcu and Craig Biddle on the Foundations of Knowledge

by Craig Biddle • Philosophy

Dec 23, 2025

Craig had a thoughtful discussion with Zachary Porcu on the source and nature of knowledge.

Michael Huemer and Craig Biddle Discuss Ethical Intuitionism and Rational Egoism

by Craig Biddle • Philosophy

Dec 23, 2025

Craig recently spoke with philosopher Michael Huemer about the nature and foundations of ethics.

Sunrise on the Reaping and the Causality Confusion

by Angelica Werth • Art & Culture

Dec 15, 2025

Angel dives into the ideas behind Sunrise on the Reaping and why philosophy isn’t just for books.

What Even Is Cancel Culture?

by Kiyah Willis • Politics & Liberty

Dec 15, 2025

Kiyah looks at how a tool once used to call out bad behavior got twisted into a shield—protecting harmful ideologies under the banner of “free speech.”