Senior Director, Biostatistics
Location: San Francisco Bay Area (On-site – Brisbane, California)
Company: Annexon Biosciences
Salary Range: $272,000 to $302,000 per year
Employment Type: Full-Time, On-site
Experience Required: PhD with 10+ years OR MS with 15+ years in pharmaceutical/biotech
Job Summary:
Annexon Biosciences is seeking a strategic and experienced Senior Director of Biostatistics to lead and evolve its biostatistics function. In this high-impact leadership role, you’ll drive statistical strategy and execution across clinical development programs aimed at treating neuroinflammatory diseases. If you bring deep regulatory knowledge, advanced statistical expertise, and a passion for innovation, join us on-site in the San Francisco Bay Area.
Key Responsibilities:
Set the vision and strategy for the Biostatistics team
Lead and mentor statisticians across development programs
Oversee statistical deliverables for protocols, SAPs, analyses, reports, and submissions
Advise executive leadership on statistical methodologies and innovative design approaches
Represent the company in regulatory meetings and interactions
Collaborate cross-functionally with Clinical Development, Regulatory Affairs, and Data Management
Guide statistical operations, SOP development, and best practice frameworks
Ensure rigorous oversight of outsourced biometrics vendors
Support submission strategy and lead biostatistical input in regulatory filings
Required Skills & Qualifications:
PhD in Statistics or related field with 10+ years OR MS with 15+ years in pharma/biotech
Proven experience in leading drug development programs through regulatory approval
Strong understanding of FDA/EMA/ICH guidelines and global regulatory processes
Expertise in advanced statistical methods (e.g., Bayesian methods, adaptive designs)
Excellent communication and leadership skills, with the ability to influence at all levels
Demonstrated ability to build and lead high-performing teams
Experience managing CRO relationships and statistical outsourcing models
Ability to work effectively in a fast-paced, innovative environment
Preferred Skills:
Deep experience in modeling & simulation, real-world evidence, precision medicine
Strong business acumen and emotional intelligence
Strategic thinking with the ability to challenge conventional processes
Awareness of industry trends in biostatistics and clinical development
Perks & Benefits:
Competitive salary and equity participation
Flexible work schedules and work-life balance
Shuttle service from BART, CalTrain, and Ferry terminals
Comprehensive health benefits (medical, dental, vision)
401(k), FSA, and employee stock purchase plan
Inclusive, diverse, and collaborative workplace culture
Company Overview:
Annexon Biosciences is a Nasdaq-listed biopharmaceutical company headquartered in Brisbane, CA. We are pioneers in complement pathway inhibition, advancing therapies for classical complement-mediated neuroinflammatory diseases. With a mission-driven culture and an advancing clinical pipeline, Annexon is redefining neuroimmunology-based drug development.
Work Mode:
On-site (San Francisco Bay Area – Brisbane, CA preferred)
Call to Action:
Are you ready to lead statistical innovation and accelerate breakthrough therapies? Apply today to join Annexon Biosciences and make an impact in the future of immunology and neuroscience.
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