OPO Startups

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OPO Startups OPO Startups is a place where entrepreneurs can connect, work and collaborate. OPO is a co-working center for digital Startups.

Located in the newly renovated “Old Post Office” building, the 10,000 square foot facility provides regional startups with affordable workspace and access to mentors, potential investors, programming, educational resources and a community of local entrepreneurs.

10/06/2026

You’ve been building it. Now come tell us about it.

Local startups are invited to apply for Demo Day and get the chance to pitch live in front of judges and our local startup community.

Over the past 11 years, many startups have taken the Demo Day stage and walked away with valuable feedback, new connections, and cash to help move their business forward.

Applications are due October 19th. Demo Day is on November 4th.
Apply to pitch or RSVP to attend Here: www.confluencetechhub.com/demoday

Apply to pitch at demo day!
10/01/2026

Apply to pitch at demo day!

Have a startup idea you’re ready to put in front of the community?

Confluence Tech Hub Demo Day gives local founders the opportunity to pitch their startup to win cash and recognition on the spot.

Apply by October 19th for a chance to pitch at Demo Day! www.confluencetechhub.com/demoday

04/29/2026

Our next Tech Talk is Wednesday, May 13th with Gary Kellmann, CEO and Managing Partner of zPods. He will lead a discussion on OpenClaw, an AI platform for building and automating real-world workflows. The event is free and all experience levels welcome!

Date: Wednesday, May 13th
Time: 5:00 - 7:00 pm
Location: OPO Startups (119 S Main St)
RSVP: www.confluencetechhub.com/techtalks

Join us next week for a Tech Talk on how to integrate AI into your business!
04/15/2026

Join us next week for a Tech Talk on how to integrate AI into your business!

Meet your speaker for the upcoming Tech Talk!

Jim Gera, CEO & Co-Founder of Harmonic Health, has spent the last few years doing what most businesses are still trying to figure out: actually integrating AI into everyday operations.

On April 22, he’s bringing that experience to OPO Startups in Saint Charles for a Tech Talk. He’ll share what worked, what didn’t, and how to get your team to truly adopt AI tools.

Free to attend. RSVP here:
https://confluencetechhub.com/techtalks

Address

119 S Main Street
St. Charles, MO
63301

Opening Hours

Monday 8am - 4pm
Tuesday 8am - 4pm
Wednesday 8am - 4pm
Thursday 8am - 4pm

Telephone

(314) 328-4656

Website

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