Doppel
Doppel is built to outsmart the internet’s biggest threat—social engineering. Using generative AI, we don’t just defend; we disrupt attackers' tactics and infrastructures, making them useless. Our platform learns from every attempt, evolving in real-time to protect all customers and stay ahead of ever-changing threats. With Doppel, the harder attackers push, the faster they fail. By pairing cutting-edge AI with expert analysis, we outpace threats like phishing, impersonation, and disinformation—delivering speed and precision that legacy systems can’t touch. Backed by a16z, South Park Commons, and SVAngel.
Doppel
Doppel is built to outsmart the internet’s biggest threat—social engineering. Using generative AI, we don’t just defend; we disrupt attackers' tactics and infrastructures, making them useless. Our platform learns from every attempt, evolving in real-time to protect all customers and stay ahead of ever-changing threats. With Doppel, the harder attackers push, the faster they fail. By pairing cutting-edge AI with expert analysis, we outpace threats like phishing, impersonation, and disinformation—delivering speed and precision that legacy systems can’t touch. Backed by a16z, South Park Commons, and SVAngel.
TL;DR
Product: AI-native Social Engineering Defense platform for detection, correlation, takedowns, simulation, and training
Founding: Founded in early 2022
Leadership: Co-founders Kevin Tian (CEO) and Rahul Madduluri (CTO)
Funding: Total raised $124,000,000 (through a $70M Series C announced Nov 19, 2025)
Investors: Backed by prominent investors including Andreessen Horowitz (a16z) and Bessemer Venture Partners
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Company Overview
Problem Domain
Social engineering, AI-powered impersonation, phishing, fraud, and disinformation across domains, social platforms, ads, telco, and the dark web.
Founded
2022
Industry
Technology, Information and Internet
Tech Stack
Funding Track Record
5000000
Reported seed round
14000000
Company announced Series A and reported total raised of $19M at the time
35000000
Company stated total raised of $54.4M and a valuation of $205M at the time
70000000
Company announced Series C bringing total raised to $124M
Investor Signal
“Backed by top-tier venture investors (including Andreessen Horowitz and Bessemer Venture Partners) with participation from strategic and individual investors”