Provides high-level administrative and operational support to the President and CEO, Executive Office, and Chief of Staff. Responsibilities include complex calendar management, meeting and travel coordination, briefing preparation, expense processing, board and governance support, stakeholder communications, records management, office management, supply ordering, building maintenance, and event logistics. The role requires discretion, strong organization, proactive problem-solving, and effective coordination with executives, board members, staff, vendors, and community stakeholders.