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Royal Society of Tropical Medicine and Hygiene, Holborn (Hybrid)
£35,000 - £43,000 per annum, according to experience
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Page 3 of 4
London, Greater London (Hybrid)
£44,561 per year
Full-time
Permanent
Job description

About the role

Looking for a role where your relationship skills can help protect the planet? Join ClientEarth’s Philanthropy team and help grow the support we need to drive real change. ClientEarth is a leading environmental law charity working across four impact areas: Climate, Nature, Health and Justice. You will manage a mix of donors from individuals to foundations and work with teams across Europe to build lasting partnerships. This is an exciting opportunity to be part of a collaborative and creative development team that supports a purpose driven organisation.

Meet your Manager

In this role you will be managed by Sebastien De Menthon who is a Philanthropy Manager and joined ClientEarth in 2022, based in London. Sebastien discovered ClientEarth while studying anthropology and law at university. The high-leverage legal approach to achieve tangible progress on the climate and biodiversity crisis was immediately appealing. Since joining ClientEarth as a Philanthropy Officer, Sebastien has progressed to the Philanthropy Manager position where he supports and oversees two members of the Philanthropy Team. He has found that working in the Philanthropy Team has been a fantastic way to support ClientEarth's mission while learning about the world and developing skills in relationship management and communication. 

Main Duties

  • Actively manage donor relationships across assigned portfolio of largely UK supporters with first class stewardship and reporting to secure renewals and uplifts of approximately £1m per annum.
  • Develop the pipeline of new donors through effective prospect research, network mapping and connecting with new contacts at external and internal events as a representative of ClientEarth
  • Support the Philanthropy Manager, Philanthropy Lead for Europe and all the Philanthropy team to create the conditions for success in the European Philanthropy Team. Collaborating with colleagues across Europe inclusively to achieve shared goals, strengthen processes and model ClientEarth’s core values of courage, collaboration, integrity and care
  • Keep up to date with fundraising trends and ensure these are worked into internal activities and planning
  • Build a strong network of internal relationships across programme teams to facilitate engagement between legal staff and donors

See the job description (below) for a full list of duties for this role.

Role requirements

  • Experience of providing best practice donor stewardship and relationship development with demonstrable evidence of securing or managing five and six figure gifts (essential)
  • Experience of identifying, cultivating and soliciting prospects (essential)
  • Experience of raising funds from donors in different geographies (desirable)
  • Ability to influence internal and external stakeholders to achieve fundraising objectives (essential)
  • Ability to represent ClientEarth with a range of external stakeholders both in-person and online (essential)
  • An interest and understanding of environmental issues (desirable)

See the job description (below) for a full list of requirements for this role.

Note to candidates: We know that long lists of criteria can be daunting and that some candidates will not apply for a role unless they feel they are 100% qualified. If you feel you meet at least some of the essential criteria, we still encourage you to apply.

Further Information

Have a question about this job? Please visit our Careers site for advice on applying, FAQs, and more.

Flexible working:  We are proud to be a Flexa accredited Employer. Visit our Flexa Employer page for more information on our approach to flexible working. Our flexible working policy allows our people the choice to decide to work from home/another location in the country where their contract of employment is issued for 80% of their month, with the other 20% of their month being office-based  See our Benefits page for more.

ClientEarth values diversity and inclusion and the benefits this brings. We aim to appoint the most suitable candidate at all times and welcome applications from people from all different backgrounds. 

Please note that ClientEarth is only able to employ those who have the pre-existing legal right to work in the UK.

ClientEarth is not a law firm and does not provide legal advice or legal services to third parties

Application resources
Posted by
ClientEarth View profile Organisation type Registered Charity Company size 101 - 500

Using the power of the law to protect life on Earth.

Posted on: 12 June 2025
Closing date: 30 June 2025 at 17:58
Job ref: 900 Senior Philanthropy Officer
Tags: Fundraising, Business Development, Climate Change, Environment / Animal, Research, Major Donor, Trusts / Foundations, Grants

The client requests no contact from agencies or media sales.