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Healthcare

Million Marker

23andMe for environmental exposures

YC-S19Healthcare -> Consumer Health and WellnessEarly
Website

What Million Marker does

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.

No open roles recorded right now.

That does not mean they are not hiring — plenty of roles never reach a job board. The careers page below is the earliest place a new opening appears.

Check the company’s own careers page — linked at the top — before a job board. A role appears there first, sometimes weeks before it is syndicated anywhere else.

Questions and experiences

Nobody has asked anything about Million Marker yet. If you have interviewed here, what you know is worth more to the next person than anything on the rest of this page.

Reviewed before it appears. Do not include anything that identifies you or anyone else.

Company facts compiled from public sources and last refreshed 9 September 2026. Details change; treat the company’s own site as the authority.

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