Million Marker (YC S19) — 23andMe for environmental exposures
We are a service for people to learn about their personal environmental exposures. Our first product is a urine test for exposure to chemicals in everyday products.
Million Marker is a Y Combinator company in the Summer 2019 batch. Its directory entry describes it as: 23andMe for environmental exposures. The founder listed is Jenna Hua (Founder) (Y Combinator directory entry, May 2, 2019).
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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
We are a service for people to learn about their personal environmental exposures. Our first product is a urine test for exposure to chemicals in everyday products.
Jenna Hua
Founder
Founders, titles and bios as the company published them. Photographs are our own copies of the ones on that record, so they do not break when the original link expires.
One of 120 companies held here in Healthcare › Consumer Health and Wellness.
No investor is drawn from a Form D — the form states how many invested and never who. The one investor on this graph is named because a batch has exactly one.
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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
A Full Report on Million Marker: verified, sourced, every claim cited, ready in a few minutes. See pricing.
What the Full Report on Million Marker covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
1 cited source found
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