Pat Cullen is the Founding CTO at YearOne, an AI-powered software engineering intelligence platform. He has extensive experience scaling technology startups, notably growing the engineering team at Carrot Fertility from 3 to over 70. Peers describe him as a transparent, strategic, smart, and empathetic leader who excels at connecting engineering with broader business goals.
Outside of his primary CTO role, Pat co-founded Guava Tri, an AI-powered triathlon coaching platform, indicating a strong personal interest in endurance sports like swimming, biking, and running. He is a hands-on technologist who actively explores and shares insights on the latest AI coding assistants like Claude Code and Cursor.
Interesting fact: Pat secured strategic investment from Accenture Ventures for his current company, YearOne, in July 2025.
Read the full overview →They can sound friendly and charming but can quickly change gears to become inquisitive and probing They are likely to ask many questions and look heavily for supporting proof as well as information. They are generally strong communicators and are not easy to convince.
Dominance (D) reflects how goal and task oriented a person is, and their ability to accomplish results irrespective of how demanding the circumstances might be. Those scoring high tend to be motivated by winning, competition, and success.
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