Field Medical Director; West

About Karius

Karius is a life science, venture-backed clinical metagenomics company, focused on elevating patient care through microbial insights. We are committed to advancing diagnostic science and technology to optimize the diagnosis and treatment of infectious diseases. Through the use of genomics and AI, we are driven to improve the diagnostic landscape for infectious diseases. Karius delivers unprecedented diagnostic insight detecting microbial cell‑free DNA circulating in the body to assist physicians to make rapid treatment decisions.

The Field Medical Director is a medical affairs leader responsible for driving scientific engagement, supporting clinical research, working closely with field sales Medical Science Liaisons, and partnering with key opinion leaders (KOLs). This role ensures scientific accuracy, compliance, and alignment with company strategy while strengthening relationships with investigators, clinicians, and cross‑functional stakeholders.

Karius aims to conquer infectious diseases through innovations around genomic sequencing and machine learning. The company’s platform is already delivering unprecedented insights into the microbial landscape, providing clinicians with a comprehensive test capable of identifying more than a thousand pathogens directly from blood, and helping industry accelerate the development of therapeutic solutions. The products Karius offers today are some of the most advanced solutions available to physicians who aim to deliver better care to many otherwise ineffectively treated patients.

Our tests are the result of some incredible work done by our scientists, statisticians, engineers, and physicians, all driven by the same mission. You, as part of the Karius team, will be able to see how directly your work has a life‑changing impact on people, and at scale.

VP, Medical Affairs

San Francisco, CA/Bay Area or Remote (USA) - The ideal candidate is located near a major airport hub in the West US.

• Provide strategic input into study design, site selection, feasibility, and investigator engagement.
• Partner with investigators and study teams to support enrollment and trial conduct.
• Represent Medical Affairs at investigator meetings and deliver site training.
• Assist in the management and coordination of Investigator Initiated Studies.
• Interpret and communicate clinical data internally and externally.
• Coach, mentor, and provide strategic guidance to MSLs across therapeutic areas.
• Develop and disseminate scientific resources, training, and standard responses.
• Evaluate and synthesize field insights to inform internal strategy and evidence generation.
• Serve as a medical expert at advisory boards, conferences, and symposia.
• Support cross‑functional product launch planning and execution.
• Review and contribute to promotional, educational, and field training materials.
• Collaborate on scientific booth content and conference activities.
• Identify, engage, and foster long‑term partnerships with national‑level KOLs and investigators.
• Support KOL participation in advisory boards, conferences, and publications.
• Build credible scientific relationships to advance development, evidence generation, and guidelines.

Karius is operating at the edge of what is now known to be possible in diagnostics. With that, comes a wave of new and incredible challenges and opportunities. To deliver on that value, you will be tapping into some of the most advanced technologies, architecting and innovating where the current solutions simply don’t suffice. You will get to see how much your work really matters.

Travel is required up to 50% in the West US.

Subject to extended periods of sitting and/or standing, vision to monitor and moderate noise levels. Work is generally performed in an office, lab or clinical environment.

• Doctoral‑level degree in the Life Sciences (MD or DO), required.
• Board certification and clinical practice experience, required.
• Minimum 8 years post‑training experience in hematology/oncology, transplant, or infectious diseases, including 5…