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About GSG Impact
GSG Impact is a global network of National Partners working to build impact economies that mobilise capital for measurable social and environmental impact. Through its network spanning more than 48 countries, GSG Impact works with governments, investors, regulators, development finance institutions, and ecosystem actors to strengthen the enabling conditions for impact-oriented economies, where capital flows to create positive social and environmental outcomes.
Position Summary
The Head of Fundraising will lead GSG Impact’s fundraising function at a critical stage of organisational growth and income diversification. The role is responsible for delivering GSG Impact's fundraising strategy, supporting the achievement of annual income targets of approximately £3 million per year, converting strategic priorities into fundable propositions, and building the systems, processes, relationships, and team capabilities required to secure sustainable long-term funding.
Working closely with the Chief of Engagement and Strategic Partnerships, senior leadership, fundraising team, Trustees, and National Partners, the Head of Fundraising will oversee the development of a diversified funding portfolio and will be responsible for building and managing a robust fundraising pipeline, strengthening donor stewardship, improving cost recovery, and ensuring fundraising activity is aligned with organisational priorities and financial sustainability goals.
This role requires a proactive fundraiser who can originate opportunities, open senior relationships, develop compelling narratives, lead complex proposal processes, and create a culture of shared fundraising responsibility across the organization.
Key Responsibilities
Business development, Prospecting and Pipeline Conversion
Build and maintain a prioritized list of top institutional, philanthropic, bilateral, multilateral, DFI, corporate, and family-office, and high-net-worth prospects aligned with GSG Impact's strategic priorities.
Proactively identify, research, qualify, and cultivate new prospects, with a particular focus on funders aligned with impact economies, domestic capital mobilisation, climate adaptation and resilience, impact transparency, policy reform, investment vehicles, and emerging markets.
Develop and manage a rolling pipeline of high-quality funding opportunities, moving prospects from initial identification through cultivation, concept development, proposal submission, negotiation, and grant close in collaboration with programme staff and National Partners.
Translate GSG Impact’s strategy into compelling fundable propositions, including unrestricted/core support, restricted programme grants, regional funding, National Partner support, and special initiatives.
Personally lead the development and conversion of the highest-value opportunities, especially prospects requiring senior-level cultivation.
Identify and develop new revenue opportunities, strategic partnerships, and funding models that support GSG Impact's long-term sustainability and income diversification
Proposal Development and Grant Acquisition
Lead the development of high-quality funding proposals, concept notes, and donor engagement materials.
Ensure strategic alignment of all proposals with organisational priorities and donor interests.
Ensure all proposal budgets meet or exceed GSG Impact's cost-recovery targets
Set and ensure implementation of standards for proposal quality, narrative framing, and budget methodology across the fundraising team
Donor Management and Stewardship
Support the Chief of Engagement and Partnerships with relationship management of GSG Impact's most significant donors and strategic prospects
Lead the annual stewardship strategy, ensuring renewal and growth of key funding relationships
Oversee narrative and financial reporting, ensuring high quality, consistency, and timeliness
Functional Leadership
Manage the fundraising team, providing coaching, oversight, performance management, and professional development
Ensure compliance with Fundraising Regulator, GDPR, and relevant UK legislation
In collaboration with colleagues across the organisation monitor and update the information in CRM for fundraising contacts and other relevant information.
Implement strong financial tracking, reporting, and forecasting processes
Foster a culture of fundraising responsibility across GSG Impact teams
Innovation & Growth
Identify new funding opportunities and diversify income streams
Explore digital fundraising and emerging trends
Drive continuous improvement in fundraising performance, effectiveness and operational excellence.
External Representation
The Head of Fundraising plays a key role in relationship management with GSG Impact's most significant funders and prospects. They represent the organization at key sector events and convenings as delegated by the Chief of Engagement and Partnerships.
Qualifications
Demonstrable track record of originating new donor relationships and converting them into six- or seven-figure grants.
Experience in building prospect pipelines from a limited starting base.
Strong understanding of institutional philanthropy, bilateral and multilateral funding, DFIs, and/or impact investing funders.
Proven ability to develop fundable propositions from complex, technical, organisational strategies, including on policy, systems-change, market-building, or ecosystem-development initiatives
Experience working directly with CEOs, Boards, Trustees, or senior principals on donor cultivation.
Strong commercial discipline: pipeline management, probability weighting, forecasting, and cost recovery.
Ability to write or lead the development of high-quality proposals under tight timelines.
Competencies
Alignment with GSG Impact mission and values
Proven fundraising track record in international development, impact investment, philanthropy or social sector
Strategic thinking and fundraising planning
Senior donor relationship management
Team leadership and coaching
Strong written communication and proposal development
Budget and cost-recovery literacy
Collaborative working style
How to apply
Please send your CV and a covering letter of no more than two pages outlining how your skills and experience meet the essential criteria for this role.
The deadline for applications is 5pm on 22 June 2026.
We are committed to equality and diversity of opportunity and positively encourage applications from people of all backgrounds. All applicants will also be asked to complete a short equality and diversity monitoring form, which is held separately from your application and plays no part in shortlisting decisions.
The client requests no contact from agencies or media sales.
Love bringing people together for a cause? This could be your next role.
This is an exciting opportunity to lead and grow Save the Rhino’s supporter-led fundraising. As Events and Community Fundraising Manager, you will take ownership of our challenge events programme and community fundraising activity, developing the strategy for these income streams and ensuring we recruit, engage and support the community of fundraisers who take on amazing challenges, raise awareness and organise their own fundraising activities to raise money for rhino conservation.
We operate a hybrid working model with a minimum of three days per week in our dog-friendly London Bridge office. Further flexibility can be discussed.
Read the full application pack and apply today. Applications close Sunday 21 June 2026 23:59
The client requests no contact from agencies or media sales.
Ashden’s mission is to showcase outstanding climate solutions and accelerate systemic change that unleashes their transformative potential. Our vision is of a world where everyone enjoys access to clean energy. Where people and nature thrive.
For over 25 years, Ashden has worked with enterprises and organisations in the UK and the Global South to find, champion and scale solutions to the climate crisis. We excel in storytelling that connects these solutions with the policymakers, funders and investors poised to help them scale and maximise their impact. Our support is expanding access to affordable clean energy to farms, villages and refugee camps in the Global South. In the UK, we are helping create warmer homes, greener schools and accelerating climate action across our towns and cities.
Ashden is a highly regarded and well-connected organisation with a strong brand and a track record of building meaningful relationships with high value and high-profile individuals. We are excited to build on the good work already achieved to further scale fundraising in this area.
You will be joining Ashden at a pivotal moment. In 2024, we launched our Changemakers campaign to secure mission-aligned funding from donors making four and five-figure gifts and beyond - a programme you will personally lead and continue to shape and develop - an exciting opportunity to nuture an emerging initiative by stewarding and uplifting current donors whilst attracting new supporters. Working in close partnership with the Director of Business Development, you will also proactively support the prospecting, cultivation and stewardship of both new and existing donors to secure transformational seven-figure gifts. As our Major Donor Lead you will have the opportunity to define, refine and strengthen our major donor proposition more broadly, securing both unrestricted and restricted income to support our long-term impact.
We’re seeking an experienced fundraiser with a track record of securing major gifts and building strong relationships with high-net-worth individuals. While climate or environmental exposure is not essential, alignment with Ashden's values and passion for driving systems change is crucial. You’ll be supported by a collaborative team, including senior leadership and Trustees, and will have key strategic and operational input into the success of our fundraising, the growth of the team, and the broader impact of our charity.
This is a stimulating and rewarding opportunity for someone looking to develop their career within a highly collaborative, passionate and visionary organisation. It is also an outstanding opportunity for those keen to deepen their experience and insight in philanthropy at the highest levels, including meaningful exposure to pioneering venture philanthropy and innovative impact-led funding models.
Location: Hybrid, ideally 2 days in London, pending donor meetings and events
Hours: Full Time with flexible working agreed. Part time hours or compressed hours will also be considered.
To read more about the role and organisation, please download the full appointment brief below.
Closing Date: 11 June 2026
People Beyond Profit Conversations: 15-19 June 2026
Ashden Interviews: 25 June 2026 (online) and 2 July 2026 (in person).
NEF are looking for a talented Senior Economist to lead policy and research work on social policy issues, with a particular focus on labour markets, social security, and incomes.
In this role, you would conduct research and advocacy on labour markets, and help NEF to make the case for an adequate and supportive social security system, both to reduce poverty but also to improve conditions in the labour market and help more people into good jobs. Alongside this, you will also support with wider work on housing and public services.
This role will manage an exciting programme of work at a critical time. You will use your outstanding technical expertise and project management experience to design and deliver quality, cutting-edge research capable of winning changes in policy and public opinion.
You will be a passionate champion of our work – influencing policy and decision makers in government, the civil service political parties, as well as civil society organisations and media who are shaping the debate. This will be a fantastic opportunity for someone who can demonstrate progressively senior responsibility and impact in an economist role, and who is looking for their next challenge.
You will bring outstanding technical skills and subject knowledge, as well as a good understanding of how to effect changes in policy and practice. You will have excellent verbal and written communication skills, and be an effective project manager, line manager and fundraiser.
Role: Senior Economist – Labour Markets and Social Security
Hours of work: Full Time (32 hours per week under NEF’s Shorter Working Week)
Salary: £54,470 - £60,480
Location: London (in-office minimum two days per week)
Contract type: Permanent
How to apply
Deadline for applications: midnight, 14th June 2026
Interviews: First stage interviews 25th June with second stage in person interviews on the 7th July
Start date: ASAP
Please send your CV (no longer than two pages) and covering letter (no longer than two pages) outlining how you meet the person specification in Word format.
Please also complete the Equality and Diversity monitoring form.
You must be eligible to work in the UK, as we are unable to sponsor visas.
Inclusivity at NEF:
NEF wants to be an inclusive workplace with a diverse body of staff. We don’t want to conform to the traditional think-tank model where people from certain backgrounds are hugely under-represented. We know we have some way to go in this and are therefore genuinely keen to receive applications from Black, Asian and minority ethnic people; women; neurodivergent people; disabled people; people who identify as LGBT+; people with experience of mental health problems; and people who identify as working class or have done so in the past.
Accessibility and Equal Opportunity:
We value all candidates and are committed to equal opportunity. As a Disability Confident employer, we guarantee an interview to all disabled applicants who meet the minimum criteria for the role. If you require any reasonable adjustments to support you during the application process, or would like information in an alternative format, please let us know.
We actively promote positive action to advance fairness and tackle underrepresentation within our workforce.
The New Economics Foundation works with people igniting change from below and combines this with rigorous research to fight for change at the top.

The client requests no contact from agencies or media sales.