---
title: "BillionToOne appoints Ethan Dmitrovsky as chief medical officer, oncology"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/293218501.md"
description: "BillionToOne has appointed Ethan Dmitrovsky as Chief Medical Officer, Oncology. In this role, he will lead the medical strategy for the company's Northstar liquid biopsy portfolio, focusing on expanding clinical adoption for solid tumor treatment decisions and minimal residual disease testing. Dmitrovsky joins from the Frederick National Laboratory for Cancer Research, bringing extensive experience from MD Anderson Cancer Center and Dartmouth’s Geisel School of Medicine."
datetime: "2026-07-20T13:04:48.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/293218501.md)
  - [en](https://longbridge.com/en/news/293218501.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/293218501.md)
generator: "portal-rs"
---

# BillionToOne appoints Ethan Dmitrovsky as chief medical officer, oncology

-   BillionToOne appointed Ethan Dmitrovsky as chief medical officer, oncology, to lead medical strategy for its Northstar liquid biopsy portfolio. \* Role targets expanded clinical adoption in treatment decision support for solid tumors, with a push into minimal residual disease testing. \* Dmitrovsky joins from Frederick National Laboratory for Cancer Research, where he was laboratory director and president of Leidos Biomedical Research. \* He previously served as provost and executive vice president at MD Anderson Cancer Center, with earlier academic leadership at Dartmouth’s Geisel School of Medicine. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Billiontoone Inc. published the original content used to generate this news brief via PR Newswire (Ref. ID: 202607200900PR\_NEWS\_USPR\_\_\_\_\_LA07129) on July 20, 2026, and is solely responsible for the information contained therein. © Copyright 2026 - Public Technologies (PUBT)

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**