Executive Director, Biologics CMC

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 highly accomplished CMC executive to lead biologics CMC strategy and external manufacturing operations across a growing portfolio of innovative biologic programs. You will serve as the Executive Director and CMC lead, providing strategic, technical, and operational oversight for end-to-end product development from early-stage development through commercialization. You will bring deep expertise in downstream process development, late-stage and commercial manufacturing readiness, and scalable manufacturing strategies to support future commercial success. This role places significant emphasis on downstream purification and process robustness, including chromatography development, filtration strategies, viral clearance, process characterization, PPQ readiness, and lifecycle management across all phases of development. \n Responsibilities Provide deep technical leadership in downstream purification operations, including chromatography (capture, intermediate, and polishing), filtration, and UF/DF. Lead downstream process characterization, scale-up strategy, resin lifetime studies, and impurity clearance evaluations. Troubleshoot purification performance issues such as aggregation, low yield, impurity breakthrough, or filtration bottlenecks. Provide overall CMC leadership for assigned biologics programs, including bsAb and ADC molecules, from development through clinical and commercial manufacturing. Oversee CDMO activities and serve as the primary technical and strategic interface between internal teams and external partners. Deliver expert guidance on purification process design, optimization, and troubleshooting to ensure robust, scalable processes. Monitor process development, MSAT, and manufacturing timelines to ensure timely, high-quality execution aligned with program goals and budgets. Manage CDMO performance and proactively address technical or operational issues. Coordinate with Quality, Regulatory, and Clinical functions to align CMC activities with development and regulatory strategies. Prepare and review CMC sections of regulatory submissions (IND/IMPD/BLA). Promote continuous improvement and ensure adherence to GMP, data integrity, and compliance requirements. Support budgeting, vendor selection, and contract oversight for external manufacturing activities. Provide technical leadership within a lean, collaborative team environment. Education & Experience Ph.D. or M.S. in Biochemistry, Chemical Engineering, Biotechnology, or related field. Minimum 15+ years of industry experience in biologics process development, CMC leadership and GMP manufacturing, including extensive CDMO oversight. Demonstrated executive-level leadership experience advancing biologics programs from early development through commercialization. Deep expertise in downstream purification and commercial manufacturing of biologics; experience with upstream, formulation, and fill-finish operations is highly desirable. Extensive experience in late-stage and commercial manufacturing, including

PC, PPQ, PAI

readiness and lifecycle management. Demonstrated ability to lead CMC strategy and operations in a small or virtual biotech setting. Comprehensive knowledge of

GMP, ICH

guidelines, and regulatory expectations for biologics. Excellent communication, organizational, and problem-solving abilities. 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 #LI-CBIO \n $226,000

• $250,000 a year \n 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