Anastasios Angelopoulos
Founder · LLMArena · San Francisco, California, United States
Contact Details
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Why reach out now
Fresh capital means vendor and tool decisions are happening right now.
Open roles signal budget is being allocated across the org.
Most founders lock in key vendors within 60 days of closing a round.
About Anastasios Angelopoulos
Anastasios Angelopoulos is the founder of LLMArena, a research services startup founded in 2025 and based in San Francisco, California, United States. The company most recently raised $150M in a Series A round (Jan 6, 2026). This profile is part of JustRaised — a verified database of funded founders updated daily for sales, recruiting and partnerships.
Why reach out to Anastasios now
Founders typically evaluate new tools, hire aggressively, and lock in vendor relationships within the first 90 days of closing a round. LLMArena raised 146 days ago, putting Anastasios squarely inside that buying window. Reach out with a concise, relevant message that references the raise and the specific problem you solve for Research Services companies.
Frequently asked questions
- Who is Anastasios Angelopoulos?
- Anastasios Angelopoulos is the founder of LLMArena, working in the research services space.
- How much did LLMArena raise?
- LLMArena raised $150M in a Series A round on Jan 6, 2026.
- How do I contact Anastasios?
- Verified email and LinkedIn for Anastasios Angelopoulos are available on a JustRaised paid plan, alongside 1,000+ other recently funded founders.