Executive Assistant to Founders — High-Impact & Remote

Mosaec; Oxford; Hybrid; GBP 45,000 - 65,000; Full time

Job summary

Ellipsis is seeking an Executive Assistant to support the Founder and Managing Director, ensuring their time is used efficiently and priorities are focused. You will work closely with the Chief of Staff on broader business matters and lead coordination across finance and people administration as needed.

Your responsibilities span calendar management, inbox triage, meeting preparation, and proactive follow-through on key actions.

Qualifications

• Proven experience as an executive assistant or similar role.
• Excellent calendar and inbox management with proactive prioritisation.
• Strong written and verbal communication with high discretion.

Responsibilities

• Provide day-to-day executive support to the Founder and Chief of Staff.
• Manage calendars, emails, and briefing material for daily operations.
• Prepare concise morning briefings and post-meeting summaries.
• Coordinate meetings, agendas, slides, and internal notes for effective use of time.
• Arrange complex travel itineraries and related logistics.
• Assist with occasional personal administration to protect executive time.

Skills

Calendar management

Inbox management

Briefings

Meetings prep

Travel coordination

Discretion & communication

Job description

Ellipsis is seeking an Executive Assistant to support the Founder and Managing Director, ensuring their time is used efficiently and priorities are focused. You will work closely with the Chief of Staff on broader business matters and lead coordination across finance and people administration as needed.

Your responsibilities span calendar management, inbox triage, meeting preparation, and proactive follow-through on key actions.