Executive Assistant / Office Manager

Who you are

• If you’re excited by complex problems and want to help reshape how nature is valued in real-world decision-making, we’d love to hear from you
• 2 years’ experience as an EA, PA or Team Assistant, with exposure to office management in a fast-paced or high-growth environment
• Confident managing complex, ever-changing diaries for two Founders
• Highly organised with strong time management and a natural ability to anticipate what’s needed before being asked
• Clear and confident communicator (written and verbal) with sharp attention to detail
• Discreet, emotionally intelligent, and trusted with sensitive information
• Comfortable juggling competing priorities and adapting quickly when things shift
• Self-sufficient and proactive - someone who takes ownership rather than waiting to be directed
• Proficient in Google Workspace, Slack and similar productivity tools
• A genuine team player who’s happy to roll up their sleeves and support wherever needed
• Creative when it comes to team engagement - bringing fresh ideas to socials and initiatives that bring people together
• Someone who takes pride in making the office a place people genuinely enjoy coming to
• Experience managing more than one executive

What the job involves

• You’ll join a global, cross-functional team that values rigour, curiosity and working close to real-world challenges. Whether your focus is AI, climate, product or operations, you’ll have space to contribute meaningfully and make an impact from day one
• Treefera is a dynamic organisation focused on efficiency, team unity, and a positive work environment
• We seek someone highly organised, emotionally intelligent, and adept at prioritising and handling communication with discretion
• This role suits someone who enjoys a flexible, fast-paced setting and values autonomy
• We are building something exceptional and need a team member who will help keep the Founders focused, streamlining the way we operate, and creating an environment where a fast-growing team can do their best work
• Executive Support:
• Direct EA support to the Founder & CEO and Co-Founder & CRO
• Managing complex, fast-moving diaries — scheduling and prioritising meetings across multiple time zones and adapting plans at short notice
• Arranging travel, accommodation and logistics for business trips end to end
• Preparing agendas, briefing notes and presentations ahead of key meetings
• Acting as a trusted point of contact between the executives and internal and external stakeholders
• Office Management:
• Planning and coordinating team events, workshops and away days that bring people together and keep morale high
• Supporting new starter onboarding - from equipment and account setup to making sure their first day feels seamless
• Keeping day-to-day office operations running smoothly, topping up the snacks and drinks, maintaining a tidy and welcoming environment for the team and visitors
• Handling mail, deliveries and document distribution as required
• Coordinating office moves or reconfigurations when needed
• This is a part-time role working 3 days per week. The postholder is expected to be present in the London office for a minimum of 2 days per week, with the remaining day worked remotely at the discretion of the line manager

The application process

• Interview process & what to expect:
• This is a cross-functional role so would be great for you to meet the team!
• Hiring manager interview (45 min)
• Conversation with a Founder (30 min)
• Cross-functional conversation (30 min)
• Accessibility: Tell us if you need adjustments, we’ll accommodate

Benefits

• Unlimited leave
• Medical insurance (including optical & dental)
• Pension scheme
• Group life insurance
• Group income protection
• Company Apple Macbook
• Stipend in lieu of benefits
• Cycle to work scheme
• Flexible working hours
• Snacks and drinks in office
• Monthly team socials