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Salary: USD 139,340 - 186,855 / annual
BillionToOne, a publicly traded molecular diagnostics company, is seeking a Medical Science Liaison (MSL) specializing in prenatal genetic testing. This is a remote, field-based role covering Illinois, Minnesota, Missouri, Kansas, Florida, North Carolina, South Carolina, and Texas, with up to 70% travel nationwide.
You will serve as a key scientific and medical liaison to healthcare providers (HCPs), supporting BillionToOne's marketed prenatal product UNITY™ Complete. Your responsibilities include developing and maintaining relationships with medical and scientific partners through scientific exchange, responding to HCP inquiries with balanced clinical and scientific information, and supporting the commercial team by providing education on the clinical differentiation of BillionToOne's prenatal products and services.
Key responsibilities:
- Serve as a liaison to healthcare providers and key member of the Medical Affairs team
- Engage in scientific exchange with medical and scientific partners
- Respond to HCP inquiries with focused, balanced clinical and scientific information supporting appropriate product use
- Provide education on clinical differentiation of prenatal products and services
- Support commercial team with impactful information enhancing product value and proper use
- Contribute to development of provider and patient educational materials
- Adhere to internal processes and comply with regulatory and compliance requirements
BillionToOne is a next-generation molecular diagnostics company with revolutionary QCT molecular counting technology. The company has grown from $0 to $400M+ annualized revenue in 6 years, completed a successful 2025 IPO, and is backed by world-class investors. Headquartered in Menlo Park with facilities in Union City, CA, and a new lab opening in Austin, TX in 2027, the company has over 700 employees and was named one of America's Best Startup Employers for 2025 and is Great Place to Work certified.
Qualifications:
- Master's degree in Genetic Counseling required
- Board certification (ABGC or ABMG) required
- 3-5 years of prenatal clinical and/or industry experience in related field required
- Expertise in discussing scientific content and context to multiple audiences
- Excellent communication, presentation, and interpersonal skills
- Ability to travel up to 70% (percentage varies with geography)
- Nice-to-have: Bilingual in English and Spanish
