Sitefire
YC W26San Francisco, US · Founded 2025 · 2 employees · Hiring · 1 known investors
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1,215 people in our graph share verified history with the Sitefire team — schools, employers, funds. One of them is your warm intro.
Paul Kwanunlockedknows Jochen Madler · together at Stanford University (overlapped)
×9knows the team · via Norwegian University of Science and Technology (NTNU)
knows the team · via Stanford University
knows the team · via Technical University of Munich
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 itefire · pulse
AI & Machine LearningEnterprise SoftwareMarketing TechArtificial IntelligenceAnalyticsMarketingGermanyEurope
Founders & leadership· Y Combinator alumni (W26)
Sitefire was founded in 2025 by Jochen Madler and Vincent Jeltsch.
JM
Jochen Madlerin𝕏Co-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.
VJ
Vincent JeltschinCTO & 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.
Investors · 1
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Competitors · 5
by search overlap
Goodfire6 shared keywordsGoodfire is a research company developing interpretability tools to understand and design AI systems. The company focuses on making AI models more understandable, debuggable, and steerable through analysis of internal model structures.
Onfire5 shared keywordsOnfire provides account and technical buyer intelligence for B2B software sales teams using an Account Intelligence Graph built from public sources including developer communities, open-source activity, and hiring data. The platform helps GTM teams identify and engage technical buyers in real time with precision buying signals.
SignalFire4 shared keywordsSignalFire is a seed-stage investment fund that provides capital and operational support to early-stage companies, with a team of engineers, data scientists, founders, and operators backing portfolio companies.
Moonfire3 shared keywordsOrchestra builds a unified control plane for data operations, offering orchestration, observability, and data quality monitoring so lean data teams can create governed data pipelines and products without maintaining infrastructure. It serves enterprise and digital-native data engineering teams and integrates with warehouses and transformation frameworks like Snowflake, Databricks, BigQuery, and dbt.
Buildfire3 shared keywordsBuildFire is a no-code app builder platform that enables sports teams, clubs, and youth organizations to create custom mobile applications without coding expertise. The platform provides pre-built features including event scheduling, push notifications, roster management, and community engagement tools tailored for sports communities.
Companies competing with Sitefire for the same Google search keywords, organic and paid, via search-intersection analysis.
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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 Y Combinator.
- Where is Sitefire headquartered?
- Sitefire is headquartered in San Francisco, US.