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If you have taken courses with OLLI previously, you need to sign in, enter your user name and password.

If you have not taken courses with OLLI previously , you must first create an account.

Purchase your 2025/2026 annual membership.

Sign up for upcoming events and course offerings.

Browse our catalog and get a feel for what we have to offer!

Browse our event calendar to discover upcoming experiences you won’t want to miss!

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Discover a wide variety of in-person and online courses offered throughout the Denver area.

Learn more about our Fall and Summer webinar series.

Online fitness classes that promote balance, relaxation, and wellness.

Enjoy access to member-only events, educational excursions and special lectures.

Check out featured courses happening throughout the Denver area.

Explore OLLI at DU’s national and international group travel experiences.

Shared Interest Groups (SIGs) bring together members who share common interests.

Friday STEM webinars are FREE for OLLI at DU members. Held on Zoom Friday mornings 10-11:30am, join us for captivating concepts presented by esteemed speakers.

Sink or Swim: How the World Needs to Adapt to a Changing Climate | May 1 | Learn More

Denver Zoo Conservation Alliance: Saving Wildlife Like Only a Zoo Can | May 8 | Learn More

The Curious Case of the Ultra-high Peaks in the Western United States | May 15 | Learn More

An Overlooked Potential Primary Energy Resource | May 22 | Learn More