Senior Executive Assistant

Senior Executive Assistant

Pleasanton, California, USA HQ

This is a high-impact, high-visibility role for an EA who thrives in a fast-moving, scaling environment. You will be the operational backbone for our Chief Commercial Officer and Global Head of Marketing, not just managing calendars, but actively anticipating needs, closing loops, and enabling leaders to move fast with confidence.

We are looking for someone who treats follow-through as a personal standard, responds with urgency, and can make sound, independent judgment calls. This role is designed for a self-starting partner who thrives on autonomy. We are looking for someone who excels in fast-paced environments, navigates ambiguity with ease, and takes pride in staying three steps ahead without needing a roadmap.

This role operates at significant scale. The CCO and Global Head of Marketing collectively carry a high meeting load across internal teams, external partners, and a global organization. The ability to manage this volume proactively is essential.

Serve as the dedicated EA to the Chief Commercial Officer and Global Head of Marketing, with support extended to the broader commercial and marketing leadership teams as needed

Own complex, high-volume calendar management: proactively resolving conflicts, anticipating scheduling needs, and protecting time for strategic priorities without being prompted

Prepare and distribute weekly meeting agendas; attend staff meetings, capture action items, and drive follow-through to completion, owning accountability, beyond documentation

Act as the primary point of contact between the CCO, Global Head of Marketing, and internal and external stakeholders; communicate with professionalism and discretion at all levels

Coordinate domestic and international travel, including itineraries, accommodations, visas, and logistics, anticipating issues before they become problems

Prepare, edit, and proofread documents, reports, and presentations with a high standard of quality

Process expense reports, track budgets, and maintain accurate financial records on behalf of senior leaders

Support candidate experience during interview processes, coordinating logistics across schedules and stakeholders

Plan and execute team off-sites, corporate events, training sessions, and conferences, including venue, catering, AV, and cross-functional coordination

Manage incoming correspondence, prioritize with judgment, and respond or route appropriately without requiring escalation for routine decisions

Collaborate closely with the broader EA and administrative team to ensure seamless company-wide coordination

Support the CCO and Global Head of Marketing on special projects and initiatives, ensuring on-time, high-quality execution

Partner across the global organization, navigating time zones and cultural context with ease

7+ years of EA or senior administrative experience, with meaningful time supporting C-Suite executives directly

Bachelor's degree in Business Administration, Office Management, or equivalent relevant experience

Demonstrated track record in a fast-paced, scaling environment

A reputation for exceptional follow-through and proactive problem-solving. you bridge gaps and resolve challenges before they ever reach the critical path

Fast, responsive communication style — you treat responsiveness as a core part of the job

Strong independent judgment — after an appropriate ramp period, you can make routine and moderate-complexity decisions confidently without requiring sign-off

Exceptional organizational skills and meticulous attention to detail, especially under a high volume of competing priorities

Strong written and verbal communication skills; able to represent senior leaders with polish and professionalism

High proficiency in G-Suite, Microsoft Office, and Docu Sign

Proven ability to handle sensitive and confidential information with absolute discretion

Ability to work onsite five days per week in Pleasanton, CA

Biotech, life sciences, medical device, or high-growth tech strongly preferred

Experience supporting multiple C-Suite executives simultaneously within a scaling organization

Familiarity with global team coordination across multiple…