Executive Assistant, COO & CCO

WRITER is where the world’s leading enterprises orchestrate AI-powered work. Our vision is to expand human capacity through superintelligence. With WRITER’s end-to-end platform, hundreds of companies are building and deploying AI agents that are grounded in their company’s data and fueled by WRITER’s enterprise‑grade LLMs. Founded in 2020 with office hubs in San Francisco, New York City, Austin, Chicago, and London, our team thinks big and moves fast.

We are seeking an exceptional executive assistant to partner with our chief commercial officer and chief operating officer from our London office. This is a high-impact position where you will serve as a strategic extension of the C‑Suite, orchestrating complex schedules, facilitating seamless communication, and ensuring every minute of their time drives maximum value for the organization. You will collaborate closely with our U.S.-based executive support team, serving as the primary London hub for scheduling, logistics, and coordination.

What you’ll do:

• Complex calendar management: manage the COO’s and CCO’s dynamic schedules both internally and externally, understanding key priorities to strategically organize meetings and commitments.
• International & domestic travel: book and plan all logistics for the COO’s and CCO’s travel, including flights, hotels, ground transportation.
• Daily agenda & briefings: ensure the COO’s and CCO’s daily agenda is updated and collaborate with internal teams to include comprehensive prep sheets and background information for all external meetings.
• Event & conference support: provide EMEA on‑site support at in‑person events and conferences, ensuring seamless logistical execution.
• Inbox management & correspondence triage: manage the COO’s and CCO’s inbox, prioritize messages, and draft emails on their behalf to ensure timely, professional, and aligned responses.
• Stakeholder coordination: serve as the key liaison with internal and external stakeholders to support the COO & CCO schedules and regional priorities.
• Miscellaneous admin support: additional administrative support as needed by the COO and CCO.

What you need:

• 5+ years of experience as an administrative professional supporting a C‑level executive, in a fast‑paced, high‑growth technology company.
• Located in London and able to work in a hybrid model, coming into our London office as needed.
• Proven experience with heavy calendar management and booking complex international travel.
• Ability to build and maintain relationships externally with admins and executives.
• Highly proficient in Google Workspace and can quickly master new tools.
• Exceptional organizational and time‑management skills, with an ability to prioritize effectively among competing demands.
• Meticulous attention to detail and accuracy.
• Direct experience managing logistics for executives' media and event appearances.
• Outstanding communicator with experience coordinating effectively with globally‑distributed teams.
• Collaborative and self‑driven.

Benefits & perks (UK full‑time employees):

• Generous PTO, plus company holidays
• Comprehensive medical and dental insurance
• Paid parental leave for all parents (12 weeks)
• Fertility and family planning support
• Early‑detection cancer testing through Galleri
• Competitive pension scheme and company contribution
• Annual work‑life stipends for wellness and learning and development
• Company‑wide off‑sites and team off‑sites
• Competitive compensation and company stock options