Senior Director, R&D Quality Assurance (GCP-GLP-GvP)

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 either as single agents or as part of combination regimens to treat a range of solid tumors. For more information, visit www.crescentbiopharma.com and follow the Company on LinkedIn and X. We are seeking a Senior Director, R D Quality (GCP-GLP-GvP) is a key leader within Crescent's Quality organization, responsible for providing strategic and hands-on Quality Assurance leadership for clinical, nonclinical, and pharmacovigilance activities across Crescent's development programs. You partner closely with Clinical Development, Clinical Operations, Nonclinical Development, Pharmacovigilance, Regulatory, and external partners to ensure phase-appropriate compliance with global GxP regulations, robust data integrity, and continuous inspection readiness within a highly outsourced development model. Please note, this person must be local to the Waltham, MA office. \n Responsibilities Provide leadership and direction for QA activities supporting GCP, GLP, and GvP programs across all phases of development. Serve as the primary QA interface to Clinical Development, Clinical Operations, Nonclinical, and Pharmacovigilance teams. Ensure compliance with global regulatory requirements, including ICH E6 (R2/R3), FDA, EMA, and

OECD GLP

guidelines. Develop, implement, and maintain QA policies, SOPs, and training programs aligned with regulatory expectations and phase-appropriate needs. Lead QA oversight of CROs and R D vendors across clinical, nonclinical, and pharmacovigilance activities, including governance, quality agreements, CAPA management, and ongoing performance oversight. Develop and execute a risk-based audit strategy for clinical and nonclinical studies, including CROs, clinical sites, laboratories, and vendors. Conduct and/or oversee internal and external audits; issue audit reports and ensure timely, effective CAPA development and closure. Lead the identification, investigation, and resolution of GCP/GLP/GvP quality issues through a robust deviation and CAPA management process. Ensure appropriate QA oversight of clinical data systems and platforms (e.g., EDC, eTMF, RTSM, safety databases), including validation, data integrity, and compliance with applicable GxP and Part 11 / Annex 11 requirements. Provide QA oversight of clinical and nonclinical documentation, including but not limited to protocols, study plans, reports, safety documentation, and regulatory submissions. Partner with cross-functional teams to support study execution, end-to-end data flow and data integrity, and inspection readiness. Support and lead (where applicable) regulatory authority inspections and partner audits, including inspection preparation, participation, and follow-up activities. Track and report R D quality metrics and trends; drive continuous improvement initiatives across clinical, nonclinical, and safety operations. Support implementation and use of electronic quality systems (eQMS, DMS, LMS), ensuring compliance with Part 11 / Annex 11 and data integrity expectations for R D records. Contribute to quality risk management activities by identifying, assessing, and escalating R D quality risks; propose mitigation strategies in partnership with Quality Management. Mentor junior QA staff and external consultants as applicable, contributing to a strong quality culture grounded in collaboration, accountability, and continuous learning. Stay current on evolving global GCP, GLP, and GvP regulations, guidance, and industry best practices, and proactively apply learnings to Crescent's R D operations. Education & Experience Bachelor's degree in life sciences or a related field; advanced degree preferred. 10+ years of progressive Quality Assurance experience within biotech or pharmaceutical development, with deep expertise across GCP, GLP, and GvP activities. In-depth knowledge of global regulations and guidance, including ICH E6 (R2/R3), FDA regulations, EU GCP/GLP requirements, and OECD principles. Advanced understanding of global regulatory requirements (U.S., EU, ICH) and phase-appropriate quality standards across R D programs; oncology experience preferred. Strong expertise in quality systems, including deviations, CAPAs, root cause analysis, and quality risk management.

Demonstrated experience supporting regulatory inspections and global submissions (e.g., INDs, NDAs, BLAs, MAAs), including responses to health authority queries (e.g., FDA, EMA). Proven ability to provide QA oversight in a highly outsourced development environment. Strategic, hands-on leader with the ability to balance long-term planning and day-to-day execution. Proven experience developing strong partnerships with cross-functional stakeholders to ensure strategic business goals are met through collaboration and knowledge sharing. Strong collaboration, communication, and influencing skills, with sound judgment and a risk-based decision-making approach. Ability to thrive in a fast-paced, evolving environment while managing competing priorities. Commitment to fostering a culture of quality, integrity, inclusion, and continuous improvement. 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; also, 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 $270,000 to $300,000. 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
• https://www.

crescentbiopharma.com/careers/#benefits \n 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. #LI-CBIO