I like building things that think. · Building AI agents since 2015. Creator of GPT Researcher, co-founder of Tavily (acquired by Nebius), now building Ora. Angel investor and Sequoia scout. · $ whoamiI like building things that think.I built my first agent in 2015 at ServiceFriend, which Meta acquired. Then I founded Tiv.ai, a WhatsApp assistant that grew to over 5 million users. Later I built Wix's first AI agent and led AI at monday.com.In 2023 I created GPT Researcher, the first open source deep research agent, then co-founded Tavily, the search engine for AI agents, which Nebius acquired.Most of my work comes down to one idea: making machines useful to people. Now I'm building Ora, which is the reverse: making the world usable by machines.the full story →## investingI'm also a scout for Sequoia, angel investing in early stage AI startups. Some investments: LangChain, Anthropic, Engram Labs, Delphi, PiLabs (acq. by Microsoft), Runhouse (acq. by Anthropic). If you're working on something exciting, reach out.## writing2025The Hidden Metric That Determines AI Product Success2023How I Built an Autonomous AI Agent for Online Research2023Why Open Source Models May Not Win The AI Race2019How to Evaluate Startup Ideas2018How My Startup Grew by Over 1M Users in One Month2017Bots Are Here to Stay. Here Are 4 Reasons Whyall writing →