Join a team of brilliant, passionate innovators who wake up every day determined to transform healthcare. At BillionToOne, we've built something extraordinary—a culture where transparency fuels trust, collaboration drives breakthroughs, and every voice matters in our mission to make life-changing diagnostics accessible to all. We don't just aim for incremental improvements; we strive to build products that are 10x better than anything that exists today. Our people are our greatest asset: talented scientists, engineers, sales professionals, and visionaries 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—every innovation you contribute helps remove fear of unknown from some of life's most critical medical moments. If you're driven by purpose, energized by innovation, and ready to help build the future of precision medicine, this is where you belong.
BillionToOne is looking to hire an Associate General Counsel, its fourth attorney, for its growing Legal & Compliance team to advise on a variety of issues. This role will have a significant impact on developing and implementing legal and compliance policies, practices, and systems. You will partner and collaborate with members of our Finance, Sales, Market Access, Reimbursement, R&D, Marketing, Supply Chain, and HR teams. This role reports to our General Counsel-Chief Compliance Officer & Secretary and can be located onsite, hybrid, or fully remote (with occasional travel).
Responsibilities:
- Provide risk mitigation, legal advice and compliance guidance to multiple business partners in the Oncology area, including the Product, Marketing, Sales, Sales Operations, Market Access, Reimbursement, HR and Finance teams as needed
- Develop processes and infrastructure to ensure compliance with applicable external requirements, soliciting feedback from internal stakeholders, preparing and drafting policies/SOPs and overseeing implementation and training in a variety of areas
- Advise on company contracts, including drafting, negotiating, reviewing, interpreting, and managing strategic, high-value contracts
- Provide legal advice and support in other areas of the business, as needed
- Partner with legal team members to develop and build legal and compliance infrastructure and program for lab services/life science organization
Requirements:
- JD from top law school and licensed to practice law in one or more US jurisdictions
- 10+ years of experience with a major law firm (100+ attorneys) and/or in-house legal department with experience working with life science or health care organizations
- Experience advising commercial leaders and colleagues on business strategies, product promotion, sales programs and transactions and other commercial initiatives.
- Experience developing processes to comply with legal/regulatory requirements, drafting and implementing policies and procedures, and delivering employee training
- Experience in at least two of the following subject areas: commercial compliance, contract drafting and negotiation, litigation, and labor and employment matters
- Ability to be highly resourceful, adaptable, and nimble in a high-growth, fast-paced environment
- Strong team-player with willingness to roll-up sleeves and pitch in wherever needed
- Interest in learning new areas of law and business and proven ability to take on projects in unfamiliar areas and lead to completion
- Strong leadership skills, with ability to clearly communicate effective legal solutions to leadership and colleagues in a collaborative yet consultative way that meet business objectives yet appropriately mitigate risks
- Interest and aspirations in developing career as an in-house legal and compliance attorney, with aspirations of eventually becoming a general counsel in the future
Nice-to-Haves:
Familiarity with some or all of the following:
- Start-up, emerging high-growth company experience
- Molecular diagnostics/genetic company or CLIA lab
- Patient billing, reimbursement and payor relationships
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 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 up to $486,870 per year, including a base pay range of $234,090 - $260,100 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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About BillionToOneBillionToOne 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's already transformed the lives of over half a million patients worldwide.
Our Impact: We've pioneered game-changing diagnostic solutions that are redefining industry standards. Unity Complete™ stands as the only non-invasive prenatal screen capable of assessing fetal risk for both common recessive conditions and aneuploidies from a single maternal blood sample. In oncology, 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 $125 million in Annual Recurring Revenue in just four years. We've raised close to $400 million in funding, including a $130 million Series D round in June 2024, achieving a valuation of over $1 billion. This backing comes from world-class investors including Hummingbird, Adams Street Partners, Neuberger Berman, Baillie Gifford, and Premji Invest.
Our Recognition: Forbes recently named us one of America's Best Startup Employers for 2025, and we were awarded Great Place to Work certification in 2024—with an incredible 100% of our people reporting they are willing to give extra to get the job done. These honors recognize not just our innovation but the exceptional culture we've cultivated—one that remains authentically collaborative and transparent even as we've scaled.
Our Future: Headquartered in Menlo Park with facilities in Union City, California, we're continuing to push the boundaries of what's possible in molecular diagnostics. Recent clinical outcomes data for Unity Fetal Risk Screen and new advances in cancer diagnostics prove we're just getting started.
At BillionToOne, you'll join a diverse team of passionate innovators who believe that the best science happens when brilliant minds collaborate openly, think boldly, and never lose sight of the patients whose lives depend on our work.
Ready to help us change the world, one diagnosis at a time?
Learn more at www.billiontoone.com
What We Do
BillionToOne is a precision diagnostics company with the mission to make molecular diagnostics more accurate, efficient, and accessible for all. Our patent-pending molecular counter platform is the only technology platform that can accurately count the DNA molecules at the single-count level.
