Do you want to join one of the fastest-growing molecular diagnostics startups and develop products that can affect the lives of millions?

BillionToOne, ranked at the top 5% of Y Combinator companies with $300M+ in funding from prominent VC firms, has developed a DNA molecular counter that increases cfDNA diagnostic resolution by over 1,000 fold. BillionToOne's first product, UNITY™ is the first and only non-invasive prenatal test that can directly screen an unborn baby and assess its risk for common and severe recessive gene disorders and chromosomal abnormalities, as well as fetal sex and fetal antigens, from a single tube of blood from the pregnant mother without paternal testing.

In 2023, BillionToOne launched two liquid biopsy products that will markedly improve oncology treatment and care. With Northstar Select™, clinicians will be able to select cancer therapies that will be most effective to each patient based on their individual genetic makeup. Northstar Response™ will enable clinicians to monitor a patient’s early response to these cancer therapies, by measuring minute changes in their ctDNA, which can reduce ineffective treatments and unwanted toxicity, lower costs, and substantially improve clinical outcomes.

BillionToOne is seeking an experienced Senior Manager/Director, Product Marketing, Oncology to lead the product marketing efforts for the oncology product portfolio (Northstar Select and Northstar Response).This person will work to understand target audiences and their pain points, then develop a unique value proposition, messaging, and executional plan to help the products meet their full potential. The successful candidate will play a pivotal role in developing and executing comprehensive marketing strategies to ensure the successful promotion and adoption of Northstar liquid biopsy product portfolio. This role reports to the Director of Product, Oncology. This is a remote position, but you may also work from our office in Menlo Park or Union City, CA if you’re locally-based.

If you are a passionate marketing leader with a proven track record in bringing innovative precision diagnostics products to the market, loves collaborating with a diverse set of groups, and thrives in a fast-paced environment, this is the perfect role for you.  

Key Responsibilities:

  • Product positioning, messaging, and execution: Collaborate cross-functionally with product management, sales, and other teams to develop compelling product positioning, messaging, and supporting resources that resonate with the target audience.
  • Ideate programs and campaigns: Partner with other marketing functions to champion campaigns that will help move the needle with our audiences
  • Cut through the noise: Take sophisticated clinical products and simplify their benefits to effectively communicate their value through marketing collateral including brochures, handouts, trade show graphics, ad content, among other items. 
  • Market research: Conduct in-depth market research and analysis to identify customer needs, emerging trends, and competitive insights
  • Collaboration with External Key Stakeholders: Interact with healthcare professionals, key opinion leaders, patient advocacy groups, and other relevant external stakeholders to drive product adoption and product loyalty.
  • Collaboration with Internal Key Stakeholders: Closely collaborate with the sales, medical, and customer service teams to ensure flawless messaging and execution of the product’s message. Be the “first line of defense” for the sales team when it comes to product marketing.
  • Stay ahead: Keep abreast of industry trends and best practices in product marketing within the precision diagnostics industry and beyond. Stay ahead and bring innovations and best practices from non-healthcare sectors.  


  • 5-10+ years of prior marketing experience in the biotech, healthcare or related industries is required
  • Product marketing experience in cancer precision diagnostics is strongly preferred 
  • Bachelor's Degree is required. Bachelors or advanced degrees in biology-related fields is preferred.
  • Experience developing product value propositions and differentiated messaging
  • Solid knowledge of marketing principles, techniques, and best practices across multiple channels.
  • Experience in creating data-driven marketing content and collaterals 
  • Excellent analytical skills to interpret internal data and leverage external data sources 
  • Excellent communication and interpersonal skills, with the ability to collaborate effectively across teams and communicate complex concepts to stakeholders
  • Ability to adapt to a fast-paced and evolving market environment

Benefits And Perks:

  • Working with a team of ‘rockstars’ who bring out the best in everyone
  • Open, transparent culture that includes weekly Town Hall meetings
  • The ability to indirectly or directly change the lives of hundreds of thousand patients
  • Multiple medical benefit options; employee premiums paid 100% of select plans, dependents covered at 80%
  • Extremely generous Family Bonding Leave for new parents (16 weeks, paid at 100%)
  • Retirement savings program including a 4% Company match
  • Free daily on-site lunches provided from top eateries
  • Latest and greatest hardware (laptop, lab equipment, facilities)
  • 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 experience and salary/equity options split that the candidate chooses) (2) generous equity options offering, on top of (3) industry leading company benefits (free healthcare options, 401k match, very generous fully paid parental leave etc.).

Sr. Product Marketing Manager, Oncology: For this position, we offer a total compensation package of $250,000 per year, including a base pay range of $150,000-$175,000 per year.

Director, Product Marketing, Oncology: For this position, we offer a total compensation package of $325,000 per year, including a base pay range of $200,000-$225,000 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.

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