Senior Manager / Associate Director, Clinical Sample Operations

Crescent Biopharma’s vision is to build a world leading oncology company bringing the next wave of therapies for cancer patients. The Company’s clinical-stage pipeline includes its lead program, a PD-1 x VEGF bispecific antibody, as well as novel antibody-drug conjugates. By leveraging multiple modalities and established targets, Crescent aims to rapidly advance potentially transformative therapies as single agents and as part of combination regimens to treat a range of solid tumors. For more information, visit and follow the Company on LinkedIn and X.

The Senior Manager / Associate Director, Clinical Sample Operations will lead the strategic operational planning, logistical execution, and oversight of biosample management across Crescent Biopharma’s global clinical trial portfolio. This role partners across Clinical Operations, Clinical Science, Clinical Development, Translational Medicine, Clinical Pharmacology, and Non-Clinical, and with external laboratory partners, to ensure clinical trial specimens—including biomarker, pharmacokinetic/pharmacodynamic, genomic, and other specialty samples—are collected, processed, tracked, shipped, stored, and analyzed in accordance with protocols, timelines, quality standards, and regulatory requirements.

The ideal candidate combines strong program and project management capabilities, deep laboratory vendor-management expertise, and a meticulous understanding of the clinical sample lifecycle. The successful candidate will be a hands-on, collaborative leader who anticipates operational risks and develops practical solutions in a fast-paced biotechnology environment.

Strategic Operations & Trial Lifecycle Support

Sample strategy execution: Partner with Clinical Operations, Clinical Science, Clinical Development, Translational Medicine, Clinical Pharmacology, and Non-Clinical to translate scientific and development objectives into executable study-level sample management plans.

Protocol and informed consent input: Collaborate with Clinical Science, Clinical Development, Translational Medicine, Clinical Pharmacology, Non-Clinical, and Clinical Operations to review clinical protocols, Investigator’s Brochures, informed consent forms, and related study documents and confirm that biological sample collection, processing, testing, storage, future-use, and destruction requirements are scientifically aligned, operationally feasible, and clearly defined.

Laboratory manual oversight: Lead the authoring, cross-functional review, approval, and maintenance of study-specific laboratory manuals, sample collection instructions, and associated site materials.

Collection kit readiness: Oversee design, production, distribution, inventory, and replenishment of sample collection kits for global investigative sites.

Study execution: Represent Clinical Sample Operations on cross-functional study teams comprising Clinical Operations, Clinical Science, Clinical Development, Translational Medicine, Clinical Pharmacology, Non-Clinical, and other relevant functions; proactively identify risks and implement mitigation and escalation plans to protect sample quality and study timelines.

Sample Logistics, Tracking & Data Integrity

Chain of custody: Maintain oversight of the complete end-to-end lifecycle and chain of custody of clinical samples from site collection through transport, receipt, processing, testing, transfer, long-term biorepository storage, return, or final destruction.

Global logistics: Coordinate shipment strategies and resolve time-sensitive issues related to couriers, customs, import/export requirements, temperature excursions, sample integrity, and site compliance.

System implementation: Lead the development, implementation, validation support, and optimization of sample tracking systems and laboratory information management systems across clinical studies.

Data reconciliation: Oversee routine cleaning and reconciliation of sample metadata across electronic data capture systems, interactive response technologies, laboratory data transfers, and sample tracking platforms to support interim analyses and database lock timelines.

Metrics and reporting: Develop portfolio- and study-level dashboards that provide visibility into sample collection, shipment status, assay readiness, discrepancies, and operational risk.

• Bachelor’s degree in life sciences, biology, bioengineering, healthcare, or a related scientific discipline is required; an advanced degree is preferred.
• Senior Manager level: Typically 6–8+ years of progressive experience in clinical operations, clinical sample management, biomarker operations, laboratory operations, or a related function within biotechnology, pharmaceutical, or contract research organizations.
• Associate Director level: Typically 8–10+ years of relevant experience, including at least 2–3 years of direct people management or leadership of matrixed project teams.
• Direct experience supporting oncology clinical trials involving complex, multi-assay biomarker strategies is strongly preferred
• Demonstrated knowledge of the clinical sample lifecycle, laboratory operations, chain of custody, sample logistics, assay workflows, data transfers, and sample data reconciliation, with the ability to integrate requirements across Clinical Operations, Clinical Science, Clinical Development, Translational Medicine, Clinical Pharmacology, and Non-Clinical.
• Proven experience selecting, contracting with, budgeting for, and overseeing central laboratories, specialty laboratories, biorepositories, and logistics vendors.
• Working knowledge of ICH-GCP, GxP principles, global regulatory expectations, informed consent requirements, data privacy, and biospecimen-related ethical considerations.
• Proficiency with eTMF platforms, clinical trial management systems, electronic data capture platforms such as Medidata Rave, and sample tracking or LIMS solutions.

• Exceptional cross-functional stakeholder-management skills, with the ability to build alignment across Clinical Operations, Clinical Science, Clinical Development, Translational Medicine, Clinical Pharmacology, Non-Clinical, and external partners.
• Strong strategic planning, project management, prioritization, and vendor-governance capabilities.
• Acute attention to detail and a consistent commitment to data integrity, quality, and compliance.
• Excellent written and verbal communication skills, including the ability to translate complex scientific and operational requirements into clear plans and decisions.
• Proactive, solutions-oriented, “roll-up-your-sleeves” mindset with the judgment and composure to resolve logistics issues in real time.
• Ability to thrive in a fast-paced, highly collaborative, and evolving biotechnology environment while managing multiple studies and priorities.

What We Offer

• Opportunity to join a mission-driven team where you'll contribute to impactful work, take on varied responsibilities, and grow quickly in a dynamic environment.
• Competitive compensation, including base salary, performance bonus, and equity.
• 100% employer-paid benefits package.
• Flexible PTO.
• Two, one-week company-wide shutdowns each year.
• A commitment to your professional development, with access to resources, mentorship, and growth opportunities.

Salary Range

The salary range for this position is $170,000 to $200,000. The final salary offered will depend on several factors, which may include, but is not limited to relevant years of experience, educational background, and geography.

Additional Description for Pay Transparency:

The final salary offered will depend on several factors, which may include, but is not limited to relevant years of experience, educational background, and geography. Subject to the terms of their respective plans, employees and/or eligible dependents are eligible to participate in the following Company sponsored employee benefit programs: medical, dental, vision, life insurance, short- and long-term disability. Subject to the terms of their respective plans, employees are eligible to participate in the Company’s savings plan (401(k)). This position is eligible to participate in the Company’s long-term incentive program. Subject to the terms of their respective policies and date of hire, Employees are eligible for the following time off benefits: Vacation – Unlimited PTO; Sick time – 10 days per calendar year; Holiday pay, including two Company shut downs; Parental Leave – 16 weeks within one year of the birth/adoption/foster care of a child; FMLA; Military Leave. Additional information can be found -

Please note:

Crescent Biopharma is an Equal Opportunity Employer. We are committed to fostering a diverse, inclusive, and equitable workplace where all individuals are valued and respected. Employment decisions are based on qualifications, merit, and business needs, without regard to race, color, religion, gender, sexual orientation, national origin, disability, veteran status, or any other protected status.

Please note, Crescent does not accept unsolicited resumes from external agencies or recruiters. Submission of a resume without a prior written agreement does not create any express or implied contract between Crescent and the agency. Crescent will not pay any fees related to unsolicited resumes.