Senior Manager, Oncology Product Marketing

The posting, as BillionToOne wrote it

A Rare Opportunity to Shape the Future of Genomics

Join a team of brilliant, passionate innovators determined to transform healthcare. At BillionToOne, we've built a category-defining, publicly traded company on Nasdaq where transparency fuels trust, collaboration drives breakthroughs, and every contribution moves the needle on our mission to make life-changing diagnostics accessible to all. We don't just aim for incremental improvements; we build products that are 10x better than anything that exists today.

Our scientists, engineers, sales executives, and visionaries are united by an unwavering commitment to changing the standard of care in prenatal and cancer diagnostics. This is where cutting-edge science meets human compassion, and every innovation you contribute helps remove the fear of the unknown from some of life's most critical medical moments.

If you're driven by purpose, energized by innovation, and ready to help shape the future of precision medicine at scale, this is where you belong.

BillionToOne is seeking an experienced Senior Manager, Oncology Product Marketing to lead the product marketing efforts for our oncology portfolio, including Northstar Select and Northstar Response .

As the leader in Oncology Product Marketing, you will be responsible for developing and executing the product marketing strategy - from product positioning and messaging through go-to-market planning and execution.

If you're a passionate product marketing leader with a proven track record of bringing innovative precision diagnostics products to market, enjoy collaborating across diverse teams, and thrive in a fast-paced environment, we'd love to hear from you.

Responsibilities

• Product Positioning & Messaging: Collaborate cross-functionally with Product Management, Sales, and other teams to develop compelling product positioning, messaging, and supporting resources that resonate with target audiences.
• Lead Go-to-Market Strategy: Develop and execute go-to-market plans for new product launches and product enhancements, partnering closely with Product, Sales, Marketing, and other cross-functional stakeholders.
• Simplify Complex Science: Translate sophisticated clinical products into clear, compelling marketing collateral, including brochures, leave-behinds, trade show materials, advertisements, press releases, and other commercial assets.
• Market Research: Conduct in-depth market research and competitive analysis to identify customer needs, market trends, and competitive insights.
• External Stakeholder Engagement: Partner with healthcare professionals, Key Opinion Leaders (KOLs), patient advocacy organizations, and other external stakeholders to drive product adoption and loyalty.
• Internal Partnership: Collaborate closely with Sales, Medical Affairs, and Customer Service to ensure consistent messaging and flawless commercial execution. Serve as the primary product marketing resource for the field organization.
• Innovation: Stay ahe

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BillionToOne is a next-generation molecular diagnostics company on a mission to make powerful, accurate diagnostic tests accessible to everyone. Our revolutionary QCT molecular counting technology enhances disease detection resolution by over a thousandfold using cell-free DNA,a breakthrough that has already transformed the lives of over half a million patients worldwide.

Our Impact

Unity Complete™ is the only non-invasive prenatal screen capable of assessing fetal risk for both common recessive conditions and aneuploidies from a single maternal blood sample.
Unity Confirm™ enables non-invasive confirmation for high-risk screening results through the capture of intact circulating fetal cells using BillionToOne’s Fetal Cell Capture™ Technology.
Our Northstar® liquid biopsy test uniquely combines treatment selection with real-time monitoring, giving oncologists unprecedented precision in cancer care.

Our Growth

From $0 to $400M+ annualized revenue run-rate in just 6 years. In 2025, we completed one of the most successful IPOs for a medical diagnostics company, building on nearly $400M in private funding,including our $130M Series D in 2024 and backed by world-class investors including Hummingbird, Adams Street Partners, Neuberger Berman, Baillie Gifford, and Premji Invest.

Our Recognition

Forbes named us one of America's Best Startup Employers for 2025 and we're Great Place to Work certified , with 100% of our people willing to go the extra mile, even as we've scaled to over 700 employees.

Our Future

Headquartered in Menlo Park with facilities in Union City, CA, and a new lab opening in Austin, TX in 2027, we're continuing to push the boundaries of what's possible in molecular diagnostics. We're just getting started.

Ready to help us change the world, one molecule at a time? Learn more at billiontoone.com