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Doppel

11 open10 remote
Covina, California, United StatesFounded 2022298+ employees$128.8M raisedVenturePrivate
Last round: series c · $70M · Nov 2025(4 rounds total)
Founded by Kevin Tian, Rahul Madduluri
Backed by(26 investors)
Andreessen HorowitzBessemer Venture PartnersNneka OgwumikeSouth Park CommonsStrategic Cyber VenturesKelsey PlumAmex VenturesNTT DOCOMO VenturesGeorge KurtzAurum PartnersBreanna Stewart9Yards CapitalQuiet CapitalSV Angel

In the era of AI, knowing what’s real is harder than ever. Social engineering threats lurk in your inbox, on social channels, hiding in the places you least expect. They pose as people and brands you trust, using advanced AI tech to deceive and defraud. Doppel is the social engineering defense platform using AI to fight AI. Built to outpace and overpower your would-be attackers, our defenses work double time: proactively safeguarding every channel, while leveraging simulations and security training to strengthen your team’s resilience. With unbeatable speed and compounding intelligence, our AI-forensics crush threats before they ever gain momentum. We work relentlessly to defend your brand, people, and future from whatever comes next in social engineering. Backed by Bessemer Venture Partners, a16z, George Kurtz - CEO, CrowdStrike, South Park Commons, Strategic Cyber Ventures, Aurum Partners, a group of athlete investors led by WNBA players Nneka Ogwumike, Breanna Stewart, and Kelsey Plum, who joined the round through the a16z Cultural Leadership Fund, Script Capital, 9Yards Capital, Sozo Ventures, NTT DOCOMO Ventures, and SVAngel.

About the Company

Doppel is building a next-generation approach for detecting and removing fraudulent accounts and phishing attacks across various channels.

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