The New Era of Consumer DNA Tests

18 Jun 2025 · 85 min
Core Memory

18 Jun 2025 · 85 min

0:00

In this episode of Core Memory, host Ashlee Vance interviews Kian Sedeghi, founder of Nucleus, a clinical‑grade whole‑genome testing company that layers a consumer‑focused software platform on top of a CAP‑accredited laboratory. The conversation moves from a concrete patient story—Ethan, whose hereditary hemochromatosis was caught by Nucleus and saved by regular phlebotomy—to a deep dive into Nucleus’ product strategy: whole‑genome sequencing, screening for over 900 conditions, polygenic risk scores, and a novel "Nucleus Embryo" interface that lets prospective parents compare embryos across any genetic axis. Kian explains how Nucleus positions itself against 23andMe, IVF‑specific testing firms, and pharmacogenomics companies, arguing that the company defies traditional market categories by being an application layer that consumes data from many sources. He discusses the political and power implications of giving patients direct genetic insight, especially in the IVF space where clinicians traditionally control embryo selection. The interview also covers Nucleus’ international rollout, the ability to upload external genome files, and pricing considerations. Kian shares his personal founder narrative: a Persian‑immigrant background, Thiel Fellowship, early DIY‑bio work, the role of Z Fellows/First Text, seed backing from Founders Fund, Keith Rabois, and other early investors, and the cultural vibe of the venture‑capital community. Throughout, he balances enthusiasm for the technology with caution about validation, regulatory compliance, and the need for rigorous science paired with usable software. The episode ends with practical details for listeners to explore Nucleus services.

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