We are committed to maintaining the highest standards of governance and comply with the principles outlined in the Code of Governance for Voluntary Organisations , which is approved by the Charity Commission.

The executive team prepares matters such as policy, strategy and budgets for consideration and approval by the trustees, who then monitor the implementation of these plans.

Jon Sparkes OBE - Chief Executive Officer

Jon Sparkes

Jon is an experienced leader in the charity sector, having previously worked as Chief Executive at UNICF UK, Crisis UK and Scope. Following an earlier career as a successful commercial human resources and organisational development director in an international technology business, he brings a breadth of valuable experience , with a strong track record of growing scale and impact at major UK charities.

Jon also has notable experience in non-executive positions for charities and social enterprises, including SeeAbility, Association of Chief Executives of Voluntary Organisations (ACEVO) and the Centre for Homelessness Impact.

Jon is currently a Trustee at St Petrocs, the homelessness charity.

Jackie O'Sullivan - Executive Director of Strategy and Influence

Jackie O'Sullivan

Jackie grew up all over the North of England before the bright lights of London lured her down to study Classics at University College London (UCL). Since then she has worked in several Government Departments, done a stint at the European Commission in Brussels and worked in the food industry.

Jackie's last role before joining Mencap was as Director of National Lottery Good Causes. She joined Mencap in January 2018 and is really proud to part of the Mencap team.

Alison Pike - Executive Director of Inclusive Communities & Partnerships - Communities

Alison Pike - Executive Director of Inclusive Communities & Partnerships - Communities

Ali’s career started in the east of London as a secondary school teacher on the Teach First programme. After 3 years of teaching and some extensive travelling in central and south America she dabbled in the private sector working as a management consultant for Deloitte.  

In 2010 she ventured into the charity sector and hasn’t looked back! Since then she has developed a keen interest in community inclusion: she is enthusiastic about people having the agency, connections and support they need to be able to live, work, socialise and really enjoy life to the full in the community they call home.  

She feels lucky to be able to focus on this day to day at Mencap. Ali loves the diversity of her role and the impact that the work of the directorate clearly has on the lives of people she meets across England, Northern Ireland and Wales. 

Emma Boger - Executive Director of Quality and Impact

Emma Boger

Emma joined Mencap in October 2023. As a registered nurse, she is passionate that everyone receives high quality care to enable them to lead full lives.  

Before joining Mencap, Emma worked for the Care Quality Commission (CQC), the independent regulator for Health and Social care, holding various Senior leadership roles including as Deputy Director of Operations and Head of Registration. Prior to working at CQC, she worked as a Senior Research Fellow and Lecturer at The University of Southampton funded by The Health Foundation to research better support for people with long-term health conditions. Emma holds a Doctorate in Health Sciences focussing on measurement and long-term conditions and seriously enjoys data!

Outside of work, Emma has 3 sons who keep her busy as a regular sporting spectator. Emma has several voluntary roles working as a Trustee of a Multi-Academy Trust (a group of schools) and as a family court magistrate for the South West bench. She loves being outside and on the move as a runner, cyclist, walker and skier as well as reading a good book. 

Mary O'Hagan – Executive Director of Fundraising (Acting)

Mary O'Hagan

Mary has more than 18 years experience working in fundraising and sales roles in UK and Republic of Ireland. Originally from Northern Ireland and now based in London, Mary has been leading our fundraising directorate since 2019 and has recently stepped into our Acting Executive Fundraising Director role, where she has responsibility for our communications, advocacy and activism directorate.

Mary is passionate about raising as much income as possible so we can ensure we are able to support the 1.5million people with a learning disability .

Richard Blakey - Chief Financial Officer

Richard Blakey

Richard joined Mencap from Settle, a Hertfordshire based Housing Association, where he was Executive Director of Finance and Resources. Before then, Richard worked in senior finance roles across a series of public and third sector organisations including Peabody, and Essex County Council.

Chris Chalkley - Executive Director, Personal Support Services (England)

Chris Chalkley

Chris has over 30 years comprehensive and varied experience working with people with a learning disability and their families.  He first joined Mencap in 1991 as a volunteer before joining Mencap’s Business Development Team, Quality Team and more recently Mencap’s Operations Team. 

Laura Rees - Executive Director People

Laura Rees - Executive Director People

Having worked most recently as senior director of people for British Red Cross, Laura has varied industry experience both in the charity and commercial sector. She combines strong operational HR leadership with change management and strategic HR experience. 

Mary Mawhinney - Executive Director Governance & Company Secretary.

Mary Mawhinney - Executive Director Governance & Company Secretary.

Prior to joining Mencap, Mary served as the Chief of Staff at the British Red Cross, a key strategic leadership position working across the span of domestic and international operations. Actively contributing to ensuring the organisation was run effectively, transparently and accountably, Mary collaborated with, advised and supported the Board, Committees and Executive to make sound, evidenced based decisions and to maximise impact for people in crisis. In the role she provided direct counsel to the Chief Executive and Executive colleagues; and the Board Chair and Trustees.  

Mary has spent her career advising leaders at the highest level, including the United Nations in New York; and at the apex of the Australian Government, serving as Private Secretary to the Prime Minister (and prior to the election , Leader of the Opposition); and adviser to the Trade Minister.

Mary was raised in an Australian country town. She holds a BA (Hons) in Political Science and International Relations; an MSc in Development and Demography; and an LLB. She is an avid traveller, reader, barre enthusiast, committed humanitarian and incurable optimist. 

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