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Director Biostatistics

Job in Watertown, Middlesex County, Massachusetts, 02472, USA
Listing for: Treeline
Full Time position
Listed on 2026-09-25
Job specializations:
  • IT/Tech
    Data Scientist, Data Science Manager
  • Research/Development
    Data Scientist
Salary/Wage Range or Industry Benchmark: 210000 - 320000 USD Yearly USD 210000.00 320000.00 YEAR
Job Description & How to Apply Below

The Director of Biostatistics will lead the statistical strategy, design, and trial-level execution for early-phase oncology clinical trials (Phase I/II). This is a high-impact, trial-focused role responsible for authoring statistical analysis plans, executing complex statistical models, and directly analyzing data for novel cancer therapies. The Director ensures that early-development trials—from First-in-Human (FIH) dose escalation to Proof-of-Concept (PoC)—are designed and analyzed with the highest level of scientific rigor.

Responsibilities Trial Design & Execution
  • Trial Architecture:
    Lead the statistical design and execution of individual oncology protocols, including sample size calculations, randomization schemes, and adaptive design simulations.
  • Statistical Modeling:
    Implement and execute trial-level dose-finding methodologies, such as Bayesian Optimal Interval (BOIN), and cohort expansion models.
  • Analysis & Programming:
    Program, validate, and perform statistical analyses for trial data cuts, Safety Review Committees, and Dose Escalation Meetings.
  • SAPs & Output:
    Author trial-specific Statistical Analysis Plans, design shell tables, listings, and figures (TLFs), and write statistical sections of Clinical Study Reports (CSRs).
  • Visual Reporting:
    Design and build dynamic data visualizations, dashboards, and interactive graphics (e.g., using R/Shiny) to track real-time dose escalation, safety signals, and biomarker trends.
  • Translate complex statistical outputs and trial models into intuitive, high-impact visual decks for executive leadership, investors, and scientific advisory boards.
  • CRO Management:
    Provide direct technical oversight to CRO programmers and biostatisticians, verifying all trial-level deliverables for quality and accuracy.
  • Regulatory Submissions:
    Prepare data packages and statistical rationales for Investigational New Drug (IND) submissions and expedited regulatory filings.
Cross-Functional Collaboration
  • Study Teams:
    Serve as the core biostatistician on clinical trial working groups, collaborating daily with Clinical Leads, Data Managers, and Biomarker scientists.
  • Data Integration:
    Blend pharmacokinetic (PK/PD) and translational biomarker data into trial-level exploratory analyses to identify early safety or efficacy signals.
Qualifications & Skills Education & Experience
  • Ph.D. in Biostatistics or Statistics with 6+ years of biotech/pharma experience, OR
  • M.S. in Biostatistics or Statistics with 8+ years of biotech/pharma experience.
  • Minimum of 3 years of hands-on experience designing, modeling, and analyzing early-phase oncology trials (Phase I/II).
  • Proven track record of taking individual oncology trials from protocol design through final CSR.
Technical & Soft Skills
  • Advanced, hands-on programming expertise in R and SAS (specifically for trial simulations, complex oncology datasets, and visualization packages like Shiny).
  • Expert knowledge of early oncology endpoints (e.g., DLT, PFS, ORR, RECIST 1.1, Lugano criteria).
  • Comfort working in a fast-paced environment with a high volume of early-stage data iterations.
  • Outstanding written and verbal communication skills, with a proven ability to influence matrixed teams and explain statistical concepts simply.
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