Who founded Sitefire?

Sitefire was founded by Jochen Madler, Vincent Jeltsch in 2025.

Who are Sitefire's investors?

Sitefire's investors include Rebel Fund, Y Combinator.

Where is Sitefire headquartered?

Sitefire is headquartered in San Francisco, US.

Sitefire

YC W26

San Francisco, US · Founded 2025 · 2 employees · Hiring · 2 known investors

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Sitefire provides a marketing platform that helps brands increase their product visibility to AI agents and LLMs by generating and optimizing content discovered by these systems.

Also known as pulse Holding Inc. · itefire · pulse · pulse, sitefire, itefire

AI & Machine Learning Enterprise Software Marketing Tech Artificial Intelligence Analytics MarketingGermanyEurope

Founders & leadership· Y Combinator alumni (W26)

Sitefire was founded in 2025 by Jochen Madler and Vincent Jeltsch.

Jochen Madler Co-Founder, CEOHe studied finance in Germany and completed graduate work in reinforcement learning and optimization at Stanford, followed by a PhD from the Technical University Munich.

Vincent JeltschCTO & Co-FounderVincent Jeltsch has a background in software engineering at RobCo and studied at CDTM in Germany. He previously worked on healthcare initiatives and is now CTO at Sitefire, focused on brand marketing solutions for AI agents.

Alex FarrRecruiter

Investors · 2

Rebel Fundlisted by Rebel FundSan Francisco · $100K – $5M

How we know: Y Combinator's founder network · rebelfund.vc · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

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Companies working in the same space as Sitefire.

Legal entities · 1

corporate structure

pulse Holding Inc.

In the news

sitefire - Marketing suite for the agentic webycombinator.com · Feb 2026

Frequently asked questions

What does Sitefire do?: Sitefire provides a marketing platform that helps brands increase their product visibility to AI agents and LLMs by generating and optimizing content discovered by these systems.
Who founded Sitefire?: Sitefire was founded by Jochen Madler, Vincent Jeltsch in 2025.
Who are Sitefire's investors?: Sitefire's investors include Rebel Fund, Y Combinator.
Where is Sitefire headquartered?: Sitefire is headquartered in San Francisco, US.