Matan Grinberg, who co-authored a physics paper with Juan Maldacena as a Princeton undergraduate, left his Berkeley PhD after a cold email to Sequoia's Shaun…
Matan Grinberg, who co-authored a physics paper with Juan Maldacena as a Princeton undergraduate, left his Berkeley PhD after a cold email to Sequoia's Shaun Maguire. Reunited with Princeton acquaintance Eno Reyes at a LangChain hackathon, he co-founded Factory, which builds autonomous "Droids" for software engineering. Factory raised a $5 million seed in 2023, a $15 million Series A at a $120 million valuation in 2024, and a $50 million Series B at a $300 million valuation in September 2025.
Matan Grinberg, who co-authored a physics paper with Juan Maldacena as a Princeton undergraduate, left his Berkeley PhD after a cold email to Sequoia's Shaun Maguire. Reunited with Princeton acquaintance Eno Reyes at a LangChain hackathon, he co-founded Factory, which builds autonomous "Droids" for software engineering. Factory raised a $5 million seed in 2023, a $15 million Series A at a $120 million valuation in 2024, and a $50 million Series B at a $300 million valuation in September 2025.
Reviewed matches are labeled. Other suggestions come from a shared subcategory, use case, source listing or the same category. Compare features and current plans before choosing.
Matan Grinberg, who co-authored a physics paper with Juan Maldacena as a Princeton undergraduate, left his Berkeley PhD after a cold email to Sequoia's Shaun Maguire. Reunited with Princeton acquaintance Eno Reyes at a L
Apollo.io began as a fix for Tim Zheng's first startup, the math and science practice site BrainGenie, which stalled at about 5,000 users until his team built its own prospecting database and email tool and grew to 150,0
Attio grew out of Nicolas Sharp's frustration with CRM software while he was an associate at London venture firm Passion Capital. He started Fundstack, a CRM for investors, in April 2017, and recruited Alexander Christie
Pylon was founded in November 2022 by Marty Kausas, Advith Chelikani and Robert Eng, software engineers who had seen at their previous jobs that business customers were moving support conversations from email to shared S