Director / Associate Director, Oncology Product Marketing

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 Director / Associate Director, 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 ahead of industry trends and bring innovative product marketing best practices from both the precision diagnostics industry and adjacent sectors.

Qualifications:

10+ years of Product Marketing experience with a proven track record of developing and executing successful product marketing strategies within precision diagnostics, biotechnology, or healthcare.

Bachelor's degree required; BS or advanced degree in Biology or a related scientific discipline preferred.

Strong strategic thinking and analytical skills with the ability to interpret complex clinical and market data and translate insights into compelling value propositions and commercial strategies.

Deep understanding of product marketing principles, competitive analysis, and market research methodologies.

Experience creating data-driven marketing content and commercial collateral.

Excellent communication and interpersonal skills, with the ability to influence cross-functional stakeholders and communicate complex concepts clearly.

Comfortable working in a fast-paced, rapidly evolving environment.

Benefits And Perks:

Working alongside brilliant, kind, passionate and dedicated colleagues, in an empowering environment, toward a global vision, striving for a future in which transformative molecular diagnostics can help millions of patients

Open, transparent culture that includes weekly Town Hall meetings

The ability to indirectly or directly change the lives of hundreds of thousands patients

Multiple medical benefit options; employee premiums paid 100% of select plans, dependents covered up to 80%

Extremely generous Family Bonding Leave for eligible employees (16 weeks, paid at 100%)

Supplemental fertility benefits coverage 

Retirement savings program including a 4% Company match

Increase paid time off with increased tenure

Latest and greatest hardware (laptop, lab equipment, facilities)

Daily on-site lunches provided from top eateries

A variety of perks on campus (state of the art gym, restaurant)

Free on-site EV charging (compatible with all EVs, including Tesla)

At BillionToOne, we are proud to offer a combination of a (1) base pay range (actual amount offered is based on experience and salary/equity options split that the candidate chooses), (2) generous equity options offering, (3) corporate bonus program, on top of (4) industry leading company benefits (free healthcare options, 401k match, very generous fully paid parental leave, etc.).

For this position, we offer a total compensation package of up to $389,398   per year, including a base pay range of  $187,573 -  $241,165 per year.

BillionToOne is an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

For more information about how we protect your information, we encourage you to review our Privacy Policy .

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