Executive Assistant (Office of the CEO)

Keystone is a premier economics, technology, and strategy consulting firm built to help companies lead through transformation. As breakthrough innovations reshape industries, redefine competition and change our society, complex and highly competitive ecosystems emerge. Keystone advises technology leaders, Fortune 100 companies, their legal counsel, and governments on business, economic, litigation, and regulatory strategy in relation to these innovations and competitive eco-systems. We operate globally from offices in New York City, Boston, San Francisco, Seattle, London, Dubai, and Washington, D.C. About the Executive Assistant Role We are seeking a highly organized, proactive, and service-oriented Executive Assistant to provide exceptional administrative and scheduling support to ensure the efficient operation of the CEO's calendar and meeting cadence. Working under the direction of the Executive Business Partner to the CEO, this role is responsible for coordinating complex calendars, scheduling meetings, managing logistics, and maintaining the day-to-day operational rhythm of the Office of the CEO. This position requires exceptional organizational skills, attention to detail, professionalism, discretion, and the ability to manage multiple priorities in a fast-paced environment where priorities shift quickly, and no two days are the same. Working in close partnership with the Executive Business Partner, the Executive Assistant serves as a key point of coordination for internal and external stakeholders while ensuring the CEO's time is aligned with the firm's highest priorities. Key Responsibilities Calendar Management and Scheduling Manage the CEO's complex and ever-evolving calendar in partnership with the Executive Business Partner and adapt quickly as priorities change. Coordinate a high volume of internal and external meetings across multiple time zones, balancing competing demands and ensuring optimal use of the CEO's time. Coordinate attendee availability and proactively resolve routine scheduling conflicts. Monitor scheduling requests and respond in a timely and professional manner. Build strong relationships with internal and external stakeholders to coordinate schedules efficiently and deliver a seamless executive experience. Identify scheduling conflicts, competing priorities or requests involving the internal and external leadership teams, Board members, key clients or senior internal stakeholders, and escalate these to the Executive Business Partner for decision-making. Meeting Coordination Coordinate end-to-end meeting logistics, including conference rooms, virtual meeting platforms, catering, visitor access, and other operational requirements. Prepare and distribute meeting invitations and scheduling updates. Confirm attendee participation and communicate schedule changes professionally. Support executive meetings by ensuring all logistics are completed in advance. Maintain meeting records and scheduling documentation as needed. Administrative Support Prepare daily calendar summaries and scheduling updates for the Executive Business Partner. Participate in daily planning check-ins and weekly Office of the CEO reviews with the Executive Business Partner to ensure shared visibility of priorities and seamless handovers. Support the delivery of Office of the CEO initiatives such as gifting, travel logistics, research, and other projects. Provide execution support on Board preparation under the direction of the Executive Business Partner, including printing and distributing Board papers, coordinating meeting logistics, and managing visitor arrangements. Maintain executive contact information and scheduling resources. Support continuous improvement of Office of the CEO processes and scheduling procedures. What You’ll Bring 3–5 years of administrative or executive support experience. Experience managing complex calendars and coordinating meetings for senior leaders. Proficiency with Microsoft Outlook, Microsoft Offic…