Medical Science Liaison (MSL), Prenatal
BillionToOne
Summary
We are looking for a field-based professional Medical Science Liaison (MSL) in Illinois, Minnesota, Missouri, Kansas, Florida, North Carolina, South Carolina, or Texas with scientific and clinical expertise in the space of prenatal genetic testing. The Medical Science Liaison (MSL) is responsible for providing medical and scientific support for BillionToOne's marketed products UNITY™ Complete. The Medical Science Liaison (MSL) is a remote position.
Job description
Travel Requirements
Ideal candidate will have the ability to travel up to 70% nationwide
Responsibilities
- Serve as a key liaison to health care providers (HCPs)
- Serve as a key member of the BillionToOne Medical Affairs team
- Develop relationships by engaging in scientific exchange with medical and scientific partners
- Support commercial team by providing impactful information that enhances the value and proper use of BillionToOne products
- Respond to HCP customer inquiries to provide focused and balanced clinical and scientific information that supports the appropriate use of BillionToOne’s prenatal products
- Provide education regarding the clinical differentiation of BillionToOne's products and services
- Contribute to development of provider and patient educational products
- Adhere to internal standard processes and comply with regulatory and compliance requirements
Qualifications
- Master’s degree in Genetic Counseling
- Board certified ABGC or ABMG
- 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-Haves
Bilingual in English and Spanish is a plus, but not required
Requirements
- Master’s degree in Genetic Counseling
- Board certified ABGC or ABMG
- 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
Benefits
- Medical insurance
- Dental insurance
- 401(k) Matching
- Equity options
- Corporate bonus program
- Paid parental leave
- Fertility benefits
- Retirement savings program
- Paid time off
Company overview
BillionToOne is a precision diagnostics company headquartered in Menlo Park, California, founded in 2016 with a mission to make molecular diagnostics more accurate, efficient, and accessible. The company has developed a proprietary Quantitative Counting Templates (QCT) molecular counting platform that can accurately count DNA molecules at the single-molecule level, enabling unprecedented sensitivity in disease detection. BillionToOne operates as a publicly traded company on NASDAQ under the symbol BLLN, having completed a successful IPO in 2025. The company's diagnostic platforms include UNITY Complete for non-invasive prenatal testing, which assesses fetal risk for recessive conditions and aneuploidies from a single maternal blood sample, and Northstar oncology products for cancer therapy selection and treatment response monitoring. With over 500 employees and multiple CLIA/CAP accredited laboratories, BillionToOne represents a significant advancement in quantitative molecular diagnostics, combining breakthrough science with scalable commercial operations to transform healthcare delivery.