Doppel Inc.

Doppel Inc., commonly known as Doppel, is an AI-native platform specializing in social engineering defense. Founded in 2022 by Kevin Tian and Rahul Madduluri, the company's mission is to protect organizations and individuals from social engineering attacks. Its headquarters are located in Covina, California.

Doppel offers a comprehensive suite of solutions including Digital Risk Protection (DRP), Human Risk Management (HRM), and Email Security. These services are designed to combat AI-powered impersonation, phishing, fraud, and other digital threats by detecting and dismantling attacker infrastructure. Key offerings include brand protection, executive protection, phishing simulations, and security awareness training. The platform serves a diverse range of enterprise clients across sectors such as financial services, technology, healthcare, retail, media, and government.

Under the leadership of CEO Kevin Tian, Doppel has secured significant funding, including a $70 million Series C round in November 2025, bringing its total funding to over $120 million and valuing the company at more than $600 million. The company has recently expanded its product offerings with agentic email security and has formed notable partnerships, including becoming an official partner of the New York Knicks. Doppel positions itself as a leader in AI-driven defense, continuously evolving its platform to counter sophisticated multi-channel social engineering campaigns.