Executive Assistant - GBC

AON; Greater London; On-site; GBP 42,000 - 64,000; Full time

Job summary

Aon in London is seeking an Executive Assistant to support the leader of our Property, Casualty and Crisis Management business within the Global Broking Centre. You will manage diaries, coordinate meetings, travel and expenses with discretion and accuracy, enabling leaders to focus on strategic priorities.

This hybrid role requires proactive, diplomatic collaboration and the ability to use AI-enabled tools responsibly to enhance productivity and information flow across teams worldwide.

Qualifications

• Extensive experience supporting senior executives in a complex corporate environment.
• Proven diary, travel, meeting and expense management.
• Experience preparing leadership packs, briefing materials and minutes.
• Experience organising large-scale events and Town Halls.

Responsibilities

• Manage complex diaries, meetings, travel, expenses and day-to-day administration.
• Prepare agendas, briefing materials, presentations and minutes.
• Coordinate Town Halls, leadership meetings, away days and events.
• Act as a trusted point of contact for senior stakeholders with discretion.
• Leverage AI tools and Microsoft 365 to improve efficiency and ways of working.

Skills

Diary management

Executive support

Stakeholder management

Meeting coordination

AI tools usage

Microsoft 365

Education

Bachelor's degree or equivalent

Executive support qualification

Tools

Microsoft Outlook

Microsoft Teams

Word

PowerPoint

Excel

Copilot

Workday

Job description

We're Hiring, Are you ready for a new challenge?

Aon has an exciting opportunity for an Executive Assistant to join our renowned Global Broking Centre in London.

The Executive Assistant is a trusted partner who provides comprehensive administrative, operational and strategic support to the leader of our Property, Casualty and Crisis Management business unit. This role combines excellent traditional executive support with a highly proactive, forward-thinking approach that creates capacity for the leader and enables them to focus on strategic business priorities.

The successful candidate will anticipate the needs of the leaders they support, manage competing priorities, identify and resolve issues before they arise, and use technology and AI-enabled tools responsibly to improve productivity, information flow and ways of working. They will operate with discretion, sound judgement and confidence in a fast-paced, globally connected environment.

This is a Hybrid role which will involve part office/home-based working (minimum 2 days expected in the office). We’re happy to talk flexible working. If you need to flex your working pattern, Aon offers flexible and agile working policies, and we’re happy to discuss options with you upon application.

Aon is in the business of better decisions

At Aon, we shape decisions for the better to protect and enrich the lives of people around the world.

As an organisation, we are united through trust as one inclusive, diverse team, and we are passionate about helping our colleagues and clients succeed.

What the day will look like

In this role, you will provide high-quality executive support to senior leaders in Aon’s Global Broking Centre, helping them stay organised, prepared and focused on business priorities.

• Manage complex diaries, meetings, travel, expenses and day-to-day administration with confidence and accuracy.
• Prepare agendas, meeting packs, briefing materials, presentations, minutes and follow-up actions.
• Coordinate Town Halls, leadership meetings, away days and business events in person, working with internal teams and external suppliers where needed.
• Act as a trusted point of contact for senior stakeholders, handling sensitive information with discretion and professionalism.
• Anticipate priorities, identify issues early and leverage technology, including Microsoft 365 and approved AI tools, to improve efficiency and ways of working.

How this opportunity is different

This Executive Assistant role in Aon’s Global Broking Centre is a modern, high-impact position where you’ll act as a strategic partner to senior leaders—going far beyond traditional admin. You’ll manage complex priorities in a fast-paced, global environment, use AI tools like Microsoft Copilot to innovate how work gets done, and take ownership of high-profile meetings, Town Halls and events, giving you strong exposure, variety and influence.

About you

Essential experience

• Significant experience supporting senior executives, directors or leadership teams in a complex, matrixed corporate environment; extensive relevant executive support experience is preferred.
• Proven experience of complex diary, travel, meeting and expense management.
• Experience preparing leadership or meeting packs, briefing materials, presentations and minutes.
• Experience organising Town Halls, away days, offsites or comparable large-scale business events.
• Demonstrated ability to operate proactively, anticipate requirements and manage multiple priorities with minimal supervision.
• Experience working with senior stakeholders across different functions or geographies.
• Experience in financial services, insurance, broking or a comparable corporate environment is desirable.

Technical capability

• Advanced working knowledge of Microsoft Outlook, Teams, Word, PowerPoint and Excel.
• Confidence using Microsoft Copilot or comparable AI-enabled productivity tools, with an understanding of responsible use and quality assurance.
• Experience of Workday, expense management, procurement or other enterprise systems is desirable.
• High standard of document formatting, presentation preparation and information management.

Personal attributes

• Highly proactive, forward-thinking and solutions-focused.
• Professional, dependable and calm under pressure.
• Curious, digitally confident and committed to continuous learning.
• Adaptable and comfortable operating in a fast-changing environment.
• Collaborative, inclusive and team-oriented.
• Commercially aware, with strong personal judgement and integrity.
• Discrete and diplomatic and knows how to apply these attributes according to circumstances.

Qualifications

• Bachelor’s degree, relevant executive support or business administration qualification, or equivalent professional experience.
• Executive support or business administration qualification is desirable but not essential.
• Ongoing professional development in AI, digital productivity or event coordination would be advantageous.