Provides comprehensive administrative support to senior executives by managing complex calendars, meetings, travel, expenses, communications, presentations, confidential records, and follow-up actions. Coordinates leadership, customer, investor, banking, and Board meetings; prepares agendas and materials; tracks deadlines; and serves as a liaison across internal departments and external stakeholders. Requires strong organization, judgment, discretion, communication, accuracy, and adaptability in a fast-paced corporate environment.