Sei is the first parallelized layer 1 blockchain. By re-writing the most widely adopted execution environment in Web3, Sei is setting a new standard in blockchain performance and scalability. Apps on Sei benefit from both the performance of web2 and the decentralization and sovereignty of web3. For more detailed information visit Sei's official website.
The Sei Development Foundation is seeking a highly strategic and operationally adept Chief of Staff to be a direct partner to our executive leadership. This role goes far beyond traditional administrative support, acting as a trusted partner and core team member with broad visibility into strategic priorities, cross-functional execution, and organizational alignment. The Chief of Staff will help set cadence, drive execution, and ensure clarity across key initiatives at a pivotal stage of growth.
This position is based in New York City and requires a strong on-site presence to work closely with the executive team.
Strategic Partnership & Execution
Work closely with executives to prioritize and execute on strategic objectives across the organization
Act as a multiplier for executive leadership by translating high-level strategy into clear action plans and measurable outcomes
Prepare briefings, analyses, and materials for key decisions and leadership engagements
Operational Rigor & Cross-Functional Alignment
Design and maintain operating rhythms, including planning cycles, project trackers, executive updates, and follow-ups that drive accountability
Lead cross-functional initiatives from concept to execution, ensuring coordination across departments and stakeholders
Identify organizational gaps, process inefficiencies, and risks, then implement solutions proactively
Organizational Influence & Communication
Serve as a central hub for information flow and alignment across teams, ensuring decisions and priorities are communicated clearly and consistently
Cultivate strong relationships with internal stakeholders to foster a collaborative and high-performance culture
Special Projects
Lead high-impact, high-visibility special projects, operating with autonomy, discretion, and judgment
Professional experience in operations, strategy, investment banking, consulting, or similar roles where execution and attention to detail are paramount
Experience working closely with C-suite executives, founders, or senior leadership in high-growth environments
Strong analytical capabilities and comfort with complex, ambiguous problems; proven ability to execute with precision
Exceptional organizational skills and operational rigor; someone who enjoys tracking details as much as shaping strategy
Excellent verbal and written communication; clear, direct, and thoughtful
Proven ability to manage multiple priorities in a fast-paced environment and deliver under pressure
Highly resourceful and motivated; comfortable being “always-on” when urgency demands responsiveness
Extremely organized, process-oriented, and bias toward action
Positive, proactive, low-ego collaborator who thrives in startup and scaling environments
Experience in crypto, blockchain, or Web3 ecosystems
Background in investment banking or similar detail-focused analytical environments
Previous experience partnering with founders or working in early-stage organizations
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Sei Development Foundation
Sei Development Foundation
Sei Development Foundation