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Senior Director, Global Regulatory Affairs

Zenas BioPharma
Waltham, MA Full Time
POSTED ON 4/3/2026
AVAILABLE BEFORE 5/9/2026
Zenas is a clinical-stage global biopharmaceutical company committed to becoming a leader in the development and commercialization of transformative therapies for patients with autoimmune diseases. Our core business strategy combines our experienced leadership team with a disciplined product candidate acquisition approach to identify, acquire and develop product candidates globally that we believe can provide superior clinical benefits to patients living with autoimmune diseases. Zenas is advancing two late-stage, potential franchise molecules, obexelimab and orelabrutinib. Obexelimab, Zenas’ lead product candidate, is a bifunctional monoclonal antibody designed to bind both CD19 and FcγRIIb, which are broadly present across B cell lineage, to inhibit the activity of cells that are implicated in many autoimmune diseases without depleting them. We believe that obexelimab’s unique mechanism of action and self-administered, subcutaneous injection regimen may broadly and effectively address the pathogenic role of B cell lineage in chronic autoimmune disease. Orelabrutinib is a potentially best-in-class, highly selective CNS-penetrant, oral, small molecule Bruton’s Tyrosine Kinase (BTK) inhibitor with the potential to address compartmentalized inflammation and disease progression in Multiple Sclerosis (MS). Zenas’ earlier stage programs include a preclinical, potentially best-in-class, oral, IL-17AA/AF inhibitor, and a preclinical, potentially best-in-class, oral, brain-penetrant, TYK2 inhibitor.

We are seeking top talent who share our commitment to patients and have a track record of success in acquiring, developing and commercializing products across the globe. Our colleagues have an opportunity to engage in a fast-paced learning environment and experience individual and organizational success as we work towards becoming a global immunology and autoimmune disease leader, while living our values of Transparency, Relationships, Urgency, Excellence and Innovation – TRUE Innovation!

Position Summary

The Senior Director, Regulatory Affairs (RA), will be the Global Regulatory Lead for a multi-indication late phase investigational product responsible for leading and overseeing global filings including US and EU, and advancing Phase 2 indications by contributing to clinical development and registrational planning. The Senior Director, RA will also have oversight of the regulatory plans for at least one early phase investigational product, leading and overseeing the writing and submission of IND/CTA/amendments and future marketing application submissions, providing guidance to the team on regulatory filings and responses, and critical regulatory intelligence. The Senior Director, RA will participate in a cross-functional team, partners with key internal/external team members/stakeholders, and partner with Regulatory CMC, Medical Writing and Regulatory Operations to ensure the scientific data and submissions fulfills agency expectations in a compliant manner. This position will report to the Executive Director, Global Regulatory Affairs and will have at least one direct report.

Key Responsibilities

  • Lead global and/or regional regulatory team on assigned projects and manage direct report(s).
  • Represent Regulatory Affairs on Global Development Teams (GDTs) and relevant cross-functional sub-teams providing strategic advice and accountable for all regulatory activities.
  • Develop and execute global regulatory strategy and contingencies for assigned projects.
  • Prepare/coordinate/review the nonclinical and clinical content of IND/CTAs, protocol/information amendments, and BLA/MAA. Lead regulatory submission teams for assigned projects per agreed upon/required timelines.
  • Monitors evolving global regulatory guidance/regulations and ensures Zenas’s regulatory submissions comply with all document/file formats and structures.
  • Authors and/or collaborates on standard operating procedures for the regulatory function.
  • Serve as the primary interface with Regulatory CROs for coordination and preparation of submissions for assigned programs.
  • Supports budgeting and forecasting activities for the Regulatory function.
  • Maintain knowledge of global competitive landscape, regulatory environment, regulations, and guidance. Contribute to the development and maintenance of Regulatory Affairs working practices and procedures.
  • In collaboration with the Regulatory team, design, implement, drive, and monitor global Regulatory strategies to inform Zenas’ programs.
  • Perform other regulatory related duties as assigned.

Qualifications

  • A BS, or advanced degree, preferably in life/physical sciences
  • A minimum of 10-12 years regulatory affairs experience within the pharmaceutical or biotechnology industry
  • Prior late phase experience including filing of marketing applications in the US and developing both US and global regulatory strategies
  • Knowledge of biologics development and regulatory processes. Understanding of small molecules and combination products development process is preferred but not required.
  • Strong leadership skills, including the ability to set goals and provide positive and constructive feedback respectfully to build positive relationships and improve business results. Ability to work effectively within a team in a fast-paced changing environment.
  • Independently motivated, detail oriented and good problem-solving ability. Ability to make independent, timely, and risk-based decisions (think outside of the box mentality).
  • Excellent written and verbal communication skills.
  • Experience interacting with key functional stakeholders (clinical development, clinical operations, QA, technical operations, supply chain)
  • Comfortable working in a demanding, fast-paced, start-up culture with evolving processes. Flexible and able to adapt to new situations as the business demands.
  • Demonstrates flexibility to work non-traditional work hours when needed, given international operations across time zones.

The position is eligible for a competitive compensation and benefits package.

Zenas is committed to fair and equitable compensation practices. The base salary pay range for this role is $218,400 to $273,000. Actual compensation packages will depend on various factors, including, but not limited to depth of experience, education, skillset, overall performance and/or location.

Zenas believes in providing a competitive compensation and benefits package to all employees. Our base salary is just one component of Zenas’ competitive total rewards strategy that also includes annual performance bonus, equity, full range of benefits and other incentive compensation plans.

Zenas BioPharma is proud to be an equal opportunity employer. We are committed to fostering an environment where diversity is valued. All qualified applicants will receive consideration for employment based on merit, qualifications and the needs of the business.

Salary : $218,400 - $273,000

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