Director/Senior Director, Compensation

Position Overview

Flagship Pioneering is seeking a highly skilled and strategic compensation leader to oversee the design, management, and execution of non-executive compensation programs across our ecosystem. This role sits within the Total Rewards team and is responsible for Flagship's internal operations as well as its Series A and B Portfolio Companies globally.

Key Responsibilities

• Compensation Program Leadership
• Design, implement, and continuously refine broad-based compensation programs across a global footprint, including geographic differentials, salary structures, job leveling, and bonus frameworks.
• Lead annual compensation review cycles (merit, bonus, promotion) in close partnership with HR Business Partners, Finance, and Talent Acquisition.
• Craft competitive, market-aligned offers while maintaining internal equity.
• Conduct ongoing market benchmarking and compensation analysis, leveraging tools such as Radford and Pave.
• Maintain and evolve our pay transparency and pay equity frameworks across the organization.
• Strategic Collaboration & Stakeholder Management
• Partner with executive compensation, equity, and benefits leads to ensure cohesive Total Rewards strategy.
• Provide guidance on compensation practices, offer structures, and policy interpretation to HRBPs and senior business leaders.
• Prepare and deliver insights, reports, and recommendations to senior leadership.
• Global Compensation & Compliance
• Maintain deep awareness of compensation regulations across key geographies.
• Develop and maintain localization frameworks to ensure regional competitiveness and compliance.
• Advise on global mobility compensation matters and cross-border assignments.
• Team and Operational Excellence
• Manage compensation tools, systems, and workflows to ensure accurate, efficient program delivery.
• Support compensation-related aspects of M&A and new company creation initiatives.

Qualifications

• Bachelor’s degree in Human Resources, Finance, Business Administration, or a related field; advanced degree and/or relevant certifications (e.g., CCP) a plus.
• 10+ years of progressive compensation experience, with specific expertise in broad-based compensation within high-growth or startup environments.
• Experience supporting global workforces and navigating complex, matrixed environments.
• High executive presence with ability to influence senior stakeholders and deliver recommendations with clarity and confidence.
• Strong analytical skills with proficiency in Excel, market pricing tools, and HRIS platforms.
• Background in biotech, tech, or high-growth venture-backed companies preferred.

PREFERRED QUALIFICATIONS

• Exposure to executive and equity compensation programs, even if not the primary area of responsibility.
• Understanding of Total Rewards integration, including benefits, mobility, and people analytics.