Dir, Medical Science Liaison
The Medical Science Liaison (MSL) – Precision Oncology will be responsible for leading scientific engagement, evidence generation, and cross-functional collaboration to advance solid tumor precision oncology at Quest with a focus on Haystack’s minimal residual disease (MRD) diagnostic platform. This individual will partner with Clinical Franchise leaders and Medical Directors to establish scientific credibility through data-driven communication, guide investigator-initiated and real-world evidence studies, and strengthen peer-to-peer relationships with key external experts. The MSL will serve as a primary medical voice on the team bridging scientific insights, clinical utility, and commercialization strategies, ensuring medical is positioned as the trusted partner of choice across precision oncology and MRD diagnostics.
This is a remote-based assignment.
Pay Range: $140,000 - $185,000 salary
Salary offers are based on a wide range of factors including relevant skills, training, experience, education, and, where applicable, certifications obtained. Market and organizational factors are also considered. Successful candidates may be eligible to receive annual performance bonus compensation.
Responsibilities
- Collaborate with medical director to support medical tactics to drive clinical franchise priorities.
Assist identifying and partnering with Thought Leaders (TLs) to conduct collaborative research initiatives.
Establish credibility by generating and disseminating high-quality scientific evidence that supports Haystack’s MRD assay performance and clinical relevance.
Help lead and support investigator-initiated trials (IITs), real-world data studies, and other collaborative research efforts.
Partner with cross-functional teams to develop abstracts, posters, manuscripts, and case studies for conferences and peer-reviewed publications.
Represent the company at scientific meetings through posters, booth presence, and presentations.
Collaborate with advocacy and guideline bodies to inform and influence clinical standards of care in MRD and precision oncology testing.
Identify, map, and engage oncology TLs at local, regional, and national levels to foster peer-to-peer collaboration and advocacy for Haystack MRD. TLs should be recognized scientific and clinical leaders, medical advisors to managed care providers and committees, payers, and HCPs active in addressing patient advocacy issues.
Provide deep scientific education to healthcare providers, pathologists, and institutions on MRD and precision oncology testing across various tumor types, performance data, and application in clinical workflows.
Responding to inquiries on test interpretation, current medical and scientific issues, healthcare advances, treatment trends, and health outcomes measures.
Function as the medical extension of the commercial field organization by helping to prepare for high-value customer engagements, co-develop strategic territory plans, and provide real-time clinical data presentations and clarification during in-field discussions.
Partner closely with commercial, marketing, and market access to ensure the scientific rigor, accuracy and compliance of all outward-facing materials.
Serve as an embedded medical resource, regularly joining customer meetings, site visits, and educational presentations to reinforce scientific credibility and support sales objectives within compliance boundaries.
Define and maintain the medical scientific framework for brand strategy and positioning.
Review and vet marketing collateral, website content, publications, and sales tools for medical accuracy and compliance.
Deliver tailored training and ongoing coaching to sales representatives to ensure consistent, accurate, and compliant communication of MRD and precision oncology data, competitive positioning, and clinical differentiation.
Design and execute peer-to-peer programs including dinner meetings, journal clubs, tumor boards, webinars, and educational symposia.
Lead scientific sessions during national sales meetings and maintain ongoing “medical office hours” for field team
support.
Facilitate pathology department training to reduce testing variability and improve tissue adequacy, pathology workflows, and result quality metrics.
Qualifications
"
Required Work Experience
Deep knowledge of oncology diagnostics and molecular testing markets.
Demonstrated experience with liquid biopsy technologies and NGS-based testing strongly preferred.
Proven experience supporting evidence-generation activities (IITs, publications, real-world studies).
Excellent written and verbal communication skills; record of peer-reviewed publications preferred.
Experience supporting cross-functional training and field medical-scientific engagement.
Strong project management and organizational abilities in a fast-paced, matrixed work environment.
Willingness to travel (up to 50%) for conferences, internal meetings, and field visits.
Demonstrated commitment to compliance with company policies, SOPs, and applicable regulations.
Preferred Work Experience
Minimum of 5 years of experience in medical affairs, clinical research, or related roles within diagnostics, oncology, or biotechnology.
Physical and Mental Requirements
- Ability to sit or stand for long periods of time
- Position is field based; MSL is required to live in the territory which they manage or within 50 miles of the territory borders.
Knowledge
Demonstrated expertise in oncology, molecular diagnostics, and liquid biopsy/MRD testing.
Strong understanding of clinical research design, data interpretation, and real-world evidence generation.
Ability to translate complex scientific data into impactful medical dialogue across diverse audiences.
Skilled at relationship-building and engagement with TLs, academic investigators, and clinical stakeholders.
Strategic thinking with the ability to align medical objectives to broader business goals while maintaining scientific integrity.
- Collaborative leadership across cross-functional teams including clinical, commercial, and R&D.
Strong presentation, communication, and publication development skills.
Skills
Ability to work independently- experience working across a matrix organization and commercial teams.
Education
- An advanced degree (PhD, PharmD, MD, or equivalent) in a biomedical or clinical field is required.
Work Requirements
- Up to 50% Travel Required
Inquiries to
Consultant - Talent Acquisition Partner, Executive Medical Recruiting