ACF Staff

Carol Mack

Chief Executive

Carol is responsible to the Board for the leadership and management of ACF, and for ACF’s external relations. Carol leads on the delivery of all of ACF’s strategic objectives, ensuring that ACF supports, advocates, connects and inspires foundations effectively and sustainably. Carol is a Company Director of ACF's trading subsidiary. or via

Dr James Magowan

Northern Ireland Development Officer

James’ role is to help independent charitable trusts from across the UK to fund more effectively in Northern Ireland. He connects foundations to people, organisations, governments and movements in Northern Ireland, and supports foundations in achieving their charitable objectives by providing regional intelligence leading to improved strategic impact.

Joanna Pienkowska

Senior Policy and Engagement Officer

Joanna supports ACF's major programmes on foundation practice and delivers insight and analysis on issues related to the operating environment. She manages the day to day work of the Members' Policy Forum and the Funder Commitment on Climate Change, as well as supporting the implementation of the Funders' Collaborative Hub. She previously worked for DAFNE, the network of foundation associations in Europe

Richard Hebditch

Director of External Affairs

Richard is responsible for managing ACF’s relationships and reputation, working with stakeholders from government, politics and civil society. Our external affairs work aims to shape the operating context for charitable foundations so that they can be ambitious and effective in maximising their social good.

Sally Boylan

Stronger Foundations Programme Manager

Sally is responsible for supporting ACF’s work to inspire foundations through co-ordination of the Stronger Foundations programme. Sally works collaboratively with members involved directly in the programme, ensuring that the programme captures and shares best practice, and is responsible for developing strategies for disseminating this learning more widely.

Gemma Instrall

Director of Membership

Gemma oversees ACF’s membership, partnerships and events functions. She is responsible for championing the needs of our members and taking a strategic lead in ensuring ACF's services support foundations to be ambitious and effective in the way they use their resources for social good. Gemma is a Company Director of ACF's trading subsidiary.

Gemma is currently on maternity leave. Please email, who is covering this post.

Rachel Garner

Corporate Partnerships Officer

Rachel is responsible for overseeing the Official Partner Programme. Rachel supports our members in achieving their charitable objectives by facilitating knowledge-led learning from partners who have an established reputation for engagement within the sector, and a robust attitude towards issues of ESG.

Gail Cunningham

Head - Investment Learning Programme

Gail leads ACF’s investment learning programme, including activity related to the Stronger Foundations investment strand, the Social Impact Investors Group, and sharing expertise from ACF’s Official Partners with members.

Max Rutherford

Head of Policy

Max provides strategic insight, policy intelligence and programme leadership, and enables collaboration and engagement between members. He represents the foundation sector to colleagues in civil society, the media, officials in government departments and parliamentarians, aiming to create an enabling policy and regulatory environment in which funders will most effectively achieve their missions. He serves as a member of the Charities SORP Committee 

Natasha Robinson

Senior Membership Manager

Natasha is responsible for supporting foundations in achieving their charitable objectives by delivering individual support and ensuring the organisation builds effective and lasting relationships with its members, as well as developing the membership base to ensure ACF thrives and is sustainable. As part of her role Natasha captures member insight and intelligence to help inform ACF’s programmes of work.

Stephanie Brittan

Executive Assistant and HR Assistant

Stephanie provides support to the Chief Executive, the Executive Leadership Team, and the trustee board (including elections), and supports foundations in achieving their charitable objectives through her involvement in ACF’s networks and events. Stephanie plays a role in managing ACF’s resources, ensuring ACF thrives and is sustainable in supporting members over the longer term. Stephanie also works with the Director of Finance and Resources on all HR policies and procedures.

Natasha Kousseff

Finance Manager

Natasha is responsible for ACF's finance function, as well as maintaining our member database. Natasha plays a role in ensuring that ACF thrives and is sustainable in supporting members over the longer term. 

We support UK foundations and grant-making charities