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About Us

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.

About the role

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.

Responsibilities

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

What We're Looking For

• 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

Bonus Points

• 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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