Our Staff

Penny Mansfield


Penny Mansfield CBE is a sociologist specialising in qualitative research on marriage and couple relationships and on evidence-based practice and policy. She is a frequent speaker at conferences and a regular contributor to both print and broadcast media.  She is a member of the Department of Health Expert Group for the Healthy Child Programme and of the Department for Work and Pension’s Ministerial Steering Group for family support services. Penny was made a Commander of the Order of the British Empire (CBE) in the 2013 New Year honours list for her services to children and families. Selected publications include ‘Relationship Difficulties and Help Seeking Behaviour’, with J. Ramm, L. Coleman and F. Glenn, 2010, How Helping Works: Towards a shared model of process, with D. Braun, and H. Davis, 2006, and ‘Better partners, better parents’, in Sexual and Relationship Therapy, 2005.

Jan Mitcheson

Deputy Director – Innovation

Jan Mitcheson worked for 13 years as a public health practitioner before becoming a teacher and practice innovator. Jan designed OnePlusOne’s e-learning programme and has contributed to a number of government initiatives including Preparing for Pregnancy, Birth and Beyond and the Healthy Child Programme. Jan teaches on the MA in Leadership and Innovation and the Postgraduate Diploma in Specialist Community Public Health Nursing at University Campus, Suffolk.  Her publications include  ‘Families: Financial Crisis’, with L. Coleman and F. Glenn, in Community Practitioner, 2010 and ‘Empowerment or control’ with S. Cowley in International Journal of Nursing Studies, 2003.

Verity Glasgow

Deputy Director – Operations

Verity Glasgow joined OnePlusOne in 2011 from the Terrence Higgins Trust where she ran their national face to face and online HIV Health Support Service.  A qualified PRINCE 2 Practitioner with extensive experience of service delivery, Verity oversees all our projects and contracts, digital and otherwise.

Head of Research Dr Lester Coleman gained a PhD in Psychology before working for seven years at the Trust for the Study of Adolescence prior to his current appointment at OnePlusOne. In his 20 years of research experience, he has published 30 papers in peer review journals and six books or book chapters including ‘Improving relationship satisfaction–Qualitative insights derived from individuals currently within a couple relationship’ in The Family Journal, 2011.

Head of Finance

Jonathan Devereux qualified as an accountant (CPFA) in 1995. He was a Finance and Planning Manager at English Heritage from 1998 to 2003 when he moved to Arts Council England as Assistant Director of Finance. He led its 30-strong national finance team as Interim Finance Director from 2008 to 2010.

Board of Trustees
Erica De’AthErica De’Ath OBE (Chair)  has been a Trustee at OnePlusOne since September 2009 and Chair since July 2013. She has brought with her a wealth of knowledge and experience from years working in the social and health care sectors, research funding bodies and government departments.

Past roles include Chief Executive of National Council of Voluntary Child Care Organisations (NCVCCO) and Chief Executive of National Stepfamily Association. Besides her work with OPO, Erica is also Chair of the Cranfield Trust, Fellow of Centre for Social Policy and member of NCVO Nominations Committee. OBE, for services to children, 2000.


PBlack_picProfessor Paul Black OBE (Deputy-Chair) has been on OnePlusOne’s Chair of Trustees for many years and is currently serving as Deputy Chair.

Paul retired from being the head of the King’s Centre for Educational Studies, King’s College London in 1995 but is still very active in research and development work with a particular focus on improving classroom practices in both formative and summative assessment.


Elizabeth Mills (Treasurer)  has been a Trustee at OnePlusOne since November 2004 and is also the Chair of our Finance Sub Committee. She studied at Brunel University and is a qualified accountant.

Liz is currently Global SME Financial Planning and Reporting at Eli Lilly & Co Ltd, a leading pharmaceutical company, they look for answers to some of the world’s most urgent medical needs, discovering and developing products through rigorous testing and in accordance with the highest scientific and ethical standards.


RKennedy_picRuth Kennedy has been a Trustee at OnePlusOne since August 2006. Ruth studied Geography at Cambridge University; her former employment includes the No10 Policy Unit, Department for Education, Guardian News & Media and she now leads ThePublicOffice team. Ruth is passionate about public service transformation that prioritises the citizen experience and leads to both improved outcomes and efficiencies.

Ruth has worked with some of the nation’s leading politicians, with senior teams from central government, local government and health, and leaders of the largest companies supplying the UK public sector. Previous clients include: Kings College London, RSA Public Services 2020 Commission, City of York Council, Swindon Borough Council, Essex County Council, and London Borough Croydon where she led the award-winning Total Place programme.

Ruth is a Senior Associate of Innovation Unit, an Enabler for Local Government Leadership and vice chair of governors at her local primary school.


MRae_PicMaggie Rae  has been a Trustee at OnePlusOne since October 2001. Maggie is a consultant in the Clintons’s family department, joining from Mishcon de Reya in 1999. She has over 34 years’ experience of dealing with the whole range of family law matters, and routinely acts for high net worth individuals and their spouses, both domestically and internationally.

Maggie is well-recognised as one of the country’s leading authorities in the area of pensions on divorce. She has lectured widely, both for academics and other members of the profession. She is widely known for her alternative dispute resolution work, and has used those skills to great success in many different cases. She is the author of “Women and the Law”, “Children and the Law” and “First Rights and Child Care Law” and co-authored “Pensions and Divorce: Law, Practice and Precedents” with Robin Ellison and David Salter.

Maggie was a member of the government’s consultation panel on pensions and divorce and a special advisor to the House of Commons’ Social Security Select Committee in relation to pensions and divorce.


ERies_picEmma Ries, has been a Trustee at OnePlusOne since May 2009. She studied at University College London and is an experienced specialist family lawyer, collaborative lawyer and mediator and has been working in this field since 1998. She is committed to helping couples reach practical, cost effective and lasting agreements that work for them and their families. Emma currently works as a Family lawyer and business owner – Ries Solicitors and Mediators since March 2009.

Emma is part of Family Law Chambers, a group of international specialist family solicitors, collaborative lawyers and mediators that work together and has campaigned and worked with both the Law Society and the European Women’s Lawyers Association on changes to the law both here and in the EU.

She has helped to write several precedent books on family law aimed at specialist family lawyers. Published titles included Cohabitation Agreements and Consent Orders. She has also lectured, written articles, and commented in the press on family law and related issues both here and abroad.


SAshworth_picSuzy Ashworth, is a business coach and consultant who specialises in strategic business and personal development.  She is a non-practising family law solicitor and accredited family mediator, and a parent, step-parent, and partner. She joined OnePlusOne as a trustee in June 2014



JHilditch_picJayne Hilditch joined OnePlusOne as a Trustee in September 2014. She has worked in the social housing sector for over 20 years and is currently at Thames Valley Housing Association as the Corporate Services Director with remit covering ICT, Communications, HR, Policy & Performance.

Jayne qualified as a member of the Chartered Institute of Public Finance Accountancy (CIPFA) and has a BSc in Economics from Warwick University.

Professor John and Dr Margaret Bowker
Dame Elizabeth Butler-Sloss
Michael Buerk
Dame Judi Dench
Lord GowrieProfessor
Sir Michael Rutter