Board of trustees

Mark Gamsu (Chair)

markMark spent most of his working life in the voluntary and statutory sector – collaborating with others to tackle inequality.

He is interested in how we, as citizens, influence the way decisions are made locally and he writes about this on his blog

Claire Holden (Vice Chair)

clareClaire has worked in the NHS for nearly 20 years.

She has served as a school governor and Chair of Governors, has also worked as a Victim Support volunteer and was a member of the VAS Personnel Committee for several years.

Alistair Griggs

alistairAlistair was previously the national Operations Director for eight years at the Refugee Council and then the governance director at Sheffield City Council, as well as a trustee (and briefly the chair) at Pitsmoor CAB.

He has a track record in social care, health, housing, advice work, volunteering, and work with refugees.

Alistair is currently a non-executive director for Spectrum Community Health (a social enterprise), a lay panellist for the Medical Practitioners Tribunal Service, a part-time walking holiday leader for HF Holidays and sings with Purple Cats Community Choir.

He is committed to excellence, strong customer care and engagement, and is values-driven.

Bea Burks

beaBea is Director of Delivery at digital inclusion charity Tinder Foundation which helps people improve their lives through digital.

She spent four years at national Citizens Advice, leading several teams and eventually becoming the organisation’s first Chief Digital Officer.

Bea cut her teeth as a journalist in Chile and still writes about digital design at and tweets @beatricelucy.

She’s passionate about the service and proud to be part of Citizens Advice Sheffield’s life-changing work.

Callum Dixon

callumMost of Callum’s career has been spent in the management and delivery of advice services or the wider third sector.  Currently, Callum is the CEO of Doncaster Alcohol Services.

He completed his Masters in Employment Law in August 2016 having graduated from the University of Sheffield Law with Spanish course two years prior.

In his spare time Callum enjoys playing and watching tennis, reading and exploring Sheffield!

Callum is looking forward to giving back to a city which has given him so much.

Hilary Dawson

hilaryHilary’s working life was spent in the Special Needs sector of the Education Service and she found while there that the inequalities of life were a daily factor.  How decision making processes were influenced and challenged became a significant feature of her job.

Some of Hilary’s other roles included managing the school budget and fundraising.  She has also served as a School Governor.

Hilary’s association with Hillsborough & Area Advice Service began in 1998 and she trained as a volunteer advice worker. She subsequently became a trustee and served some time as the Treasurer.

In her free time, Hilary enjoys researching Family History.

Mark Smith


Mark has worked in the voluntary, charity sector for most of his professional career.  He is currently working for Healthwatch Sheffield.  Prior to this role he worked at Doncaster Chamber and children’s charity SAFE@LAST that supports children and young people who are at risk through running away.

His role at the charity included managing fundraising and finance, the volunteering program, strategy and business planning, partnership working and HR amongst other duties.

Mark has undertaken numerous volunteering roles with a range of charities and organisations that offer emotional support, advice, practical help and advocacy with vulnerable adults and children.

He currently runs his own charity consultancy business ‘Make Your Mark UK’ that aims to help charities and voluntary sector organisations to be better.

Mary Seneviratne

maryMary was a Professor of Law at Nottingham Trent University, before her recent retirement, and has previously worked at Sheffield University and Sheffield Hallam University.

She qualified as a solicitor in the 1970s, and has also worked in local government. She was a member of the Administrative Justice and Tribunal Council from 2010 to 2013, and has been a non-executive director at the Legal Ombudsman from 2009 to 2014.

She has lived in Sheffield for over 40 years. In her spare time she enjoys playing cello in an orchestra, singing in a choir, and walking in the hills.

Sharon Hirshman

Will be added soon.

Trevor Wigmore-Smith

trevorTrevor has worked in the financial industry as an IT consultant for the last 25 years, working in the UK and abroad.

He first got involved in Citizens Advice as a volunteer and then as a Trustee of the Citizens Advice Sheffield Bureaux Debt Support Unit.

Trevor was part of the team of Trustees that helped to form Citizens Advice Sheffield and has been a trustee since its formation.

Previously he was chair of the human resources subcommittee and is now a member of the finance committee. Outside of work he enjoys playing football (badly)  and reading.

Susan Hird

Will be added soon.

Sheila Robinson

Will be added soon.

Helen E Steers

Helen is a public policy specialist with an interest in understanding and managing the real-life consequences of public policy decision-making at a community level. During a Civil Service career that lasted 26 years and spanned a range of roles from front-line benefit and health and safety work to developing and delivering national policy for education and employer skills, Helen developed a good understanding of the inside of Government.

Since leaving Government, she has undertaken postgraduate study with the University of Sheffield Politics Department. She has also pursued a range of freelance activities to support the capacity of the voluntary and community sector to meet the needs of the Sheffield population, with a particular focus on removing barriers for the most disadvantaged groups. Helen acts as a policy consultant across a range of Government and non-Governmental organisations.

A born and bred Sheffielder, she is really pleased to have the opportunity to work with Citizen’s Advice to support the important and wide-reaching work it does in a City that is very dear to her heart.

Khurum Sethi

Will be added soon.