Tagged: justai
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JustAI
JustAI (formerly Just Words, legally Choice AI Inc.) is a San Francisco AI-native marketing platform that turns lifecycle content into an always-on experimentation engine. Its AI agents - strategy, creative, decisioning and data - predict high-value moments, generate on-brand message variants across email, SMS and push, test them against real users, and shift traffic to the winners while compounding learnings across campaigns. Founded in 2024 by Neha Mittal (ex-Twitter and Pinterest growth lead) and Jeff Hara, the company graduated from Y Combinator's Winter 2024 batch and works with consumer brands including Grammarly, ClickUp, Notion, Lemonade, Coursera and Thumbtack.
Neha Mittal
Neha Mittal is the CEO and co-founder of JustAI (formerly Just Words), a Y Combinator W24 startup in San Francisco building an AI-first marketing engine that continuously writes, tests, and optimizes copy across email, push, SMS, and landing pages. Before founding the company in 2024, she led Retention and Growth product teams at Pinterest and Twitter, where a single notification tweak - changing "Elon tweeted" to "Elon just tweeted" - added roughly 800,000 users and planted the seed for her company. A computer engineer turned product leader, she earned a master's at UC Berkeley's School of Information and has raised about $2.2M in seed funding from Cloud Capital, Peak XV Partners, and Y Combinator.