Executive Assistant (12 Month FTC)

Executive Assistant (12 Month FTC) Application Deadline: 23 December 2025 Department: Enabling : CEO & Group Employment Type: Temporary Location: United Kingdom Description Role: Executive Assistant to Group CEO + Board Members Duration: Maternity Cover Contract – 12 months / Full-time Hours – Monday-Friday Location: Remote, with willingness to travel around UK if needed (for example to our London office to support with the occasional meeting/event) We are currently looking for a highly experienced, dynamic, and professional C-Suite Executive Assistant to provide dedicated support to our inspirational Group CEO and other Board members at this exciting time of growth for our sustainability business. You will deliver personalised, timely assistance to the CEO, acting as a trusted gatekeeper and main point of contact, managing information flow in a timely and accurate manner. Your responsibilities will extend beyond traditional PA administrative duties, encompassing comprehensive diary management, complex travel arrangements, supporting on CEO internal communications, and the organisation of meetings and events. You will also provide some support to our Anthesis Board, including our Co-Founder and Chair, with a focus on monthly Board meeting preparation. To be successful in this role, you should be well-organized, discreet and experienced in handling highly confidential data. You will have an excellent eye for detail, willing to get stuck into a variety of tasks with a positive and fun attitude, and be able to act independently without lots of process or guidance. The role is an empowering and rewarding one; you will be enabling our CEO and Board to deliver against business goals, which in turn, will directly contribute to having a positive impact for our planet. Key Responsibilities Gatekeeper and manager of Group CEO diary Board meeting support for Chair and ExCo Board members, including Board pack collation and handling highly confidential data. Organisation of meetings and events for CEO, including with internal stakeholders and clients. Includes invite management, venue booking, tech support, etc. Booking of travel and hotels in line with our Sustainable Travel Policy. Creation of high-quality documents, spreadsheets, and PowerPoint presentations Expenses + NetSuite delegate duties Administrative duties, including Data management of leadership teams No two days are the same and you may need to provide ad hoc support on business activities that are not in this job description. Skills, Knowledge & Expertise Essential Experience of assisting at Executive/C-Suite level (essential) Advanced diary management skills including managing schedules across multiple time zones Excellent attention to detail Strong written and verbal communication skills Discreet, trustworthy, and ability to maintain confidentiality Experience of managing complex travel itineraries Tech savvy; excellent working knowledge of the Microsoft Office suite (Teams, etc) and comfortable with operating in a paperless, digital environment. Creative problem-solver and ability to act independently without lots of guidance Desirable Event management experience Resourceful, with a network of suitable experts and suppliers Experience of creating high quality documents, including PowerPoint presentations. Job Benefits Empowering and rewarding role that allows you to gain satisfaction from enabling our Executives to steer the business to deliver positive change for our planet. Opportunity to work with international colleagues and stakeholders from across the globe who are passionate about the work they do and the impact Anthesis can have. Work for a certified B Corporation®; Anthesis is proud to be part of the B Corp global community of like-minded companies that use the power of business to build a more inclusive and sustainable economy. We have committed to meet the highest verified standards of social and environmental performance, transparency, and accountability. Competitive employee benefits