Executive Assistant – Global COO Support & London Office Assistant

Sinclair is Hiring! Join Our Team as an Executive Assistant. The Executive Assistant role will support directly our global Chief Operating Officer (COO) & will be our London Office Assistant providing high-impact, autonomous executive support and will act as an extension of the COO’s office, enabling delivery across multiple operational, strategic, and cross-functional priorities. The role operates within the C-suite EA structure while taking direct, day-to-day responsibility for COO support, active coordination of deliverables, and ownership of the London office environment. This role is designed for a senior, self-efficient EA who can manage complexity, operate with sound judgment, support the preparation of executive presentations and reports, and progress work independently in a fast-moving, international medical aesthetics business.

Role Overview:

• Global COO Executive Support & Delivery Enablement
• C-Suite Back-Up Support
• London Office Ownership & Facilities Management

Key Responsibilities:

• Global COO Executive Support
  • Provide direct, day-to-day executive support to the COO, including agenda and calendar ownership, travel coordination, meeting preparation, and follow-up execution.
  • Act as a trusted gatekeeper for the COO’s time, exercising judgment to prioritise, sequence, and resolve competing demands.
  • Prepare, structure, and refine executive presentations, briefing materials, and reports for COO-led meetings, ExCo forums, and operational reviews.
  • Support the COO across multiple concurrent initiatives, ensuring actions, deliverables, and timelines progress without the need for continuous direction.
  • Coordinate cross-functional inputs (e.g. Operations, Finance, Commercial, IT) and translate them into clear, executive-ready outputs.
  • Track decisions and actions, drive follow-up and closure, and escalate issues only when necessary.
• C-Suite EA
  • Provide back-up and overflow support to other C-suite EAs during absences or peak periods.
  • Act as a point of reference within the EA community, supporting ways of working, communication standards, and continuous improvement.
  • Support the organisation of leadership meetings, offsites, and executive events.
• London office ownership
  • Act as the primary owner of the London office, ensuring a professional, well-run, and efficient working environment.
  • Manage day-to-day office administration and facilities matters proactively.
  • Coordinate with landlords, building management, and service providers.
  • Oversee office maintenance, health & safety requirements, and general workplace needs.
  • Support office setup, moves, or changes as the London footprint evolves.

What success looks like:

• The COO’s time, priorities, and deliverables are well structured, proactively managed, and focused on high-impact outcomes.
• Executive materials (presentations, reports, briefings) are clear, accurate, and decision-ready.
• Multiple COO-led workstreams progress smoothly, with issues anticipated and resolved early.
• The EA community operates in a coordinated, professional, and supportive manner.
• The London office runs smoothly, with issues addressed proactively and minimal escalation.
• Senior stakeholders experience confident, reliable, and high-quality executive support.

Experience & profile – essential:

• Proven experience as a senior Executive Assistant supporting C-suite or equivalent leaders.
• Demonstrated ability to operate independently, manage complexity, and support multiple priorities.
• Strong experience preparing executive-level presentations, reports, and briefing materials.
• High level of discretion, professionalism, and sound judgment.

Experience & profile requirements:

• Experience in medical aesthetics, healthcare, pharma, or similarly regulated environments.
• Exposure to office management or facilities ownership.
• Experience supporting executives in international, matrixed organisations.

Skills & attributes:

• Highly organised, proactive, and delivery-focused.
• Strong analytical and structuring skills, comfortable working with data and KPIs.
• Confident communicator with senior stakeholders.
• Commercially aware and able to prioritise for impact.
• Calm under pressure, solution-oriented, and trusted to act independently.

About Sinclair:

Founded in 1971, Sinclair is a global medical aesthetics organisation, that delivers an extensive product range. With an in-house commercial infrastructure, including manufacturing and a network of distributors in leading global markets, our products are sold in 55 countries worldwide. This is a great time to join Sinclair as we continue to increase our product range and expand into new markets and territories.

Sinclair Values:

• Act with Integrity: Consistently doing the right thing even when it’s the hard choice; 100% Compliance with all rules, standard operating procedures and guidelines.
• Results-Driven: Make a business impact in all you do, whether sales, efficiency, operational excellence; it should make a meaningful impact.
• Innovation-Centered: Redefining Aesthetics, we must be pioneering in how we do business; this can be in products, in service models, or strategy.
• Own It!: Be Accountable for your decisions, actions and consequences; Be Reliable to your customers and colleagues.

Perks & Benefits:

• Competitive Salary & Performance Bonuses.
• Career Growth & Learning Opportunities.
• Health & Wellness Benefits.
• Fun Team Events & Supportive Culture.

We have a real focus on developing our people, and by fostering an entrepreneurial culture, we encourage flexibility, accountability and autonomy. The company is full of opportunity for those who wish to grasp it. Our people thrive on engagement, development and a varied workload. You will often be included in projects that require you to collaborate cross-functionally. This is an exciting opportunity to join a successful company, with big ambitions for the future.

If this sounds like you and you meet the requirements, please apply, we would love to hear from you.