Senior Executive Assistant

About Circadia Health   Circadia Health is a growth-stage healthcare AI company on a mission to prevent avoidable hospitalizations and transform senior-care operations. Our Circadia Intelligence Platform combines: Contactless sensing that monitors respiration and motion with medical-grade accuracy Native predictive models that detect 85% of preventable adverse events several days in advance Enterprise integrations that operationalize predictions directly inside EHR, care-coordination, billing, and compliance workflows   Today, our technology touches 40,000+ post-acute patients daily across skilled-nursing, home-health, and home-care networks. We are backed by leading healthcare and AI investors and headquartered in El Segundo, CA. The Role We are looking for a seasoned Executive Assistant to serve as a force multiplier across people, culture, and executive coordination. This is not a task-execution role — it is an ownership role. You will keep the company running smoothly, our people well-supported, and our leadership well-prepared, while also handling select personal and logistical matters for the CEO with discretion and care. The right candidate brings deep experience supporting complex executives and high-growth organizations, a natural instinct for anticipating needs before they arise, and the entrepreneurial mindset to build systems and processes where none yet exist What You'll Do • Serve as a strategic extension of the CEO — owning scheduling, travel, and communications with precision and foresight. • Manage complex executive calendars, proactively protecting time for high-priority work and ensuring readiness ahead of key meetings. • Coordinate domestic and international travel with seamless, end-to-end itineraries. • Draft, edit, and manage high-stakes correspondence on behalf of the CEO, adapting voice and detail level to the audience. • Manage NDAs and DocuSign agreements coordination end-to-end. • Prepare materials, briefing notes, and agendas for board meetings and leadership reviews. • Track and organize sales pipeline activity and follow-through to ensure nothing falls through the cracks. • Welcome and host interview candidates on-site, creating a strong first impression of Circadia. • Own the office environment — ensuring it is welcoming, stocked, and operationally smooth at all times. • Plan and execute team socials, off-site events, and culture-building moments. • Manage company swag program from selection to distribution. • Coordinate team catering, including lunch 3x per week and the sandwich bar. • Handle select personal tasks for the CEO with discretion, reliability, and no friction. • Manage time-sensitive personal logistics proactively, anticipating needs before they become urgent. Must-Have Qualifications • 7+ years of experience as an Executive Assistant supporting C-level executives in complex, fast-moving environments. • Proven ability to manage multi-faceted personal and professional needs simultaneously with composure and discretion. • Experience working with entrepreneurial or self-directed executives — you know how to manage up, push back diplomatically, and anticipate needs. • Startup or high-growth company experience a strong plus; entrepreneurial background welcome. • Exceptional written communication — you write clearly, adapt to different voices, and know what level of detail each audience needs. • Highly organized, systems-oriented, and proactive — you build structure rather than waiting to be told. • Warm, personable, and culturally attuned — people enjoy working with you. • Tech-savvy: Google Workspace, Slack, Notion, DocuSign, and comfortable learning new tools quickly.