Skip to content

How It Works Pricing Blog Events Partners

Sign In Get Started →

How It Works Pricing Blog Events Partners

Sign In Get Started →

Loading people...

The OS for early-stage founders from day zero to raise.

Product

How It Works Pricing Partners

Resources

Blog Events Contact

Company

About Privacy Terms

© 2026 Startup Intros, Inc.San Francisco, CA · Made for Founders

Home
/People
/Karl Floersch

§ Founder & Investor Profile

Karl Floersch

ActiveFounder Investor

Updated:Apr 15, 2026

About News Experience Investments FAQs

Quick Facts

Role: Co-Founder
Company: Optimism
Status: Active
Type: Founder, Investor

Subscribe, Save or Share

Join 25K+ founders & VCs who start their week informed.

Recent News & Mentions

Mar 1, 2022FundingOptimism - Series B Feb 1, 2021FundingOptimism - Series A

Experience

Co-FounderFounderCurrent

Present - Present

Frequently Asked Questions

Who is Karl Floersch?

Karl Floersch is Co-Founder at Optimism.

What companies has Karl Floersch founded?

Karl Floersch co-founded Optimism.