Who we are

Technical Steering Group

Technical Steering Group is co-chaired by Michael Steed and Jon Stride

Michael Steed

Michael is a former member of Council and a past President of the Association. He is Head of Tax at BPP Professional Development and a partner in an OMB practice in Kent. Michael also sits on the ATT's VAT Sub-group.

Jon Stride

Jonathan joined Council in 2016. He co-chairs Technical Steering Group. He is a member of the Somerset & Dorset Branch Committee. Jonathan became a member of the Association in 2005 and was appointed a Fellow in 2016. He also holds the AAT and ACCA CAT qualifications. He is a Tax Senior with a firm in Dorset.

Other Steering Group members are:

Delyth Barnett

Delyth is a private client tax manager at Shaw Gibbs, London. 

Trevor Blackmur

Trevor began his career in tax at the end of 2000 with a small local firm, working in personal tax and payroll. He qualified as an ATT member in May 2005. A former member of ATT Council, he joined Technical Steering Group in 2007 and has previously represented ATT on HMRC’s Employment and Payroll Group and RTI Sub-Group, in addition to various other workshops, consultations and HMRC meetings. He set up in practice on his own in 2010, continuing to provide taxation and payroll services to individuals, sole traders and small businesses.

Adela Cebotari

Adela is an Associate Director at RSM Chelmsford.

Jeremy Coker

Jeremy is the Association's immediate past President. 

Jeremy is a partner with Oury Clark, a multi-discipline practice consisting of an accountancy practice and law firm, which specialises in inward investment, assisting overseas companies set up and do business in the UK. He deals with all aspects of tax relating to private clients, high net worth individuals, owner managed businesses and small and medium sized enterprises.

Ann Elmer

Ann has a small practice where she specialises in private clients and small businesses starting up. She represents ATT on the HMRC's High Net Worth Forum and the Student Loans Consultation Group.

Matthew Herring

Matthew is a client manager for Hollis & Co in Sheffield. He has been very involved in the Sheffield Branch of the ATT and Chartered Institute of Taxation.

Abigail Holland

Abigail is Group Tax Manager for Taylor Wimpey. She has responsibility for direct taxes and a particular interest in and experience of Corporation Tax, both in practice and industry.

Yvette Nunn

Yvette is a former member of ATT Council, a past President of the Association and former Co-Chair of Technical Steering Group. Previously in Birmingham specialising in acting for entrepreneurial clients, and particularly those engaged in Research and Development, Yvette now runs her business from her home in Straford-upon-Avon.

Hayley Perkin

Hayley is a member of ATT Council and is vice Chair of Business Development Steering Group. She is an Employment Tax Manager at KPMG. Hayley represents the ATT on HMRC's Employment and Payroll Group.

Senga Prior

Senga joined Council in 2017 and is ATT’s spokesperson for Scottish taxes and the ATT representative on the Issues Overview Group. She represents ATT at the Scottish Devolved Taxes Collaborative and attends quarterly meetings between ATT, CIOT, ICAS and the Scottish Government. Senga became a member of the Association in 2002 and a Fellow in 2017. She works in practice as a tax senior manager for Johnston Carmichael specialising in personal tax. She has a particular interest in technology and accounting software.

Sofia Thomas

Sofia is Director of Thomas Consulting, a tax consultancy practice which provides tax advice on family breakdown. She is also CEO of Juno Sports Tax, a tax practice that provides tax advice to professionals in the football industry. She regularly lectures for the ATT and CIOT and is co-author of Tax Implications on Family Breakdown published by Bloomsbury.

VAT sub-group members

VAT sub-group is co-chaired by Julian Millinchamp and Stephen Taylor.

Other members are:

  • Nancy Cruickshanks
  • Glyn Edwards
  • Becky Hayes
  • Matthew Herring
  • Jamie Jarrett
  • Christopher Lewis
  • Hugh Mitchell
  • Julia Garbutt
  • Michael Steed

Nancy Cruickshanks

Nancy is a member of ATT Council. She is the VAT partner in a mid-tier firm of accountants.  She is the co-author and general editor of the Lexis Nexis publication VAT in the EU and represents the ATT on the EU VAT Forum. Prior to working in practice Nancy worked for HM Customs & Excise as an assurance officer in both VAT and Excise and as part of the anti-avoidance team.  Nancy also worked as VAT manager for the BBC.

Glyn Edwards

Glyn is a VAT director with MHA MacIntyre Hudson LLP based in their Leicester and Birmingham offices. He specialises in dispute resolution and litigation and has worked with Counsel at the Court of Appeal and the Court of Justice of the EU. He is also part of MacIntyre Hudson's Motor VAT Advisory Team.

Becky Hayes

Becky has worked for PKF Francis Clark since 2011 where she specialises in VAT and SDLT. She provides advice to all types of family businesses, companies and individuals on a broad range of VAT and SDLT matters, including land and property, company reconstructions and management buyouts, financial services, education and charities.

Jamie Jarrett

Jamie is the Head of Tax & Financial Savings at Berthold Bauer VAT Consultants based in Edenbridge, Kent and has been working in a VAT role there since 2010. She specialises in NHS and Healthcare VAT in particular, working with many large NHS bodies, private healthcare providers and community interest companies across the UK to assist with VAT compliance and obligations.  

Christopher Lewis

Christopher is an Accountant with the Wrekin Housing Group. He is an ATT Prizewinner for the IHT, Trusts and Estates and VAT papers.

Julian Millinchamp

Julian is a former member of ATT Council. He is VAT Director with Hazelwoods in Cheltenham.

Hugh Mitchell

Hugh is an independent VAT consultant based in the West Country.  He is a Chartered Tax Adviser and a member of ICAEW and, before setting up his own practice, worked for national and regional accountancy firms.  He also writes technical articles for Lexis Nexis.

Stephen Taylor

Stephen is a partner in practice specialising in VAT. He is joint author of several CCH VAT publications and is the ATT representative on the Joint VAT Consultative Committee (JVCC). Stephen is a former Chair of the SW England Branch.

Joint Digitalisation and Agent Services Committee members

  • Trevor Blackmur
  • Andrew Cornett
  • Jeremy Coker
  • Sarah Ferries
  • Yvette Nunn
  • Tina Riches (Chair)
  • James Tweedy



In addition to the TSG and professional staff, we also draw on the experience of a wider pool of members who have agreed to become contributors.  We contact contributors by email for their views on consultations, draft legislation and similar tax matters.  The views and comments we receive from contributors are invaluable as they help to ensure that our responses to HMRC reflect the views of our membership and are informed by members’ practical experiences.

Our Contributor Information Sheet sets out what we ask from our contributors.  If you would be interested in becoming a contributor please contact atttechnical [at] att.org.uk


Professional Staff

Technical Steering Group is supported by three Technical Officers who work to further the charitable objects of the ATT by advancing the education of ATT members and the general public with regards to taxation and contributing to the sound administration of the tax system. This includes:

  • Responding to relevant consultations and commenting on draft legislation.
  • Representing ATT members and the wider public in meetings with HMRC and other Government bodies.
  • Informing ATT members of the latest developments in taxation to help in with their work.
  • Writing technical articles for the ATT website, Tax Adviser magazine and other publications to educate members and the general public.
  • Producing content for the weekly ATT members' newsletter.
  • Producing Employer Focus - a regular newsletter covering a range of tax issues which affect employers.
  • Speaking at ATT branch events, conferences and other external events.
  • Liaising with the Chartered Institute of Taxation and Low Incomes Tax Reform Group Technical Officers.

Our Technical Officers are:

Emma Rawson

Emma's background is in corporation tax and she also has a focus on VAT. She trained with Deloitte, working in both their London and Leeds offices, and also spent a short time working in a specialist consultancy firm providing advice to other practitioners before joining the ATT as a technical officer in 2017.

Will Silsby

Will's particular emphasis is on business tax and management of taxes issues. He previously served as an Inspector of Taxes (in the 1970s) and then worked in practice until appointment as a technical officer in 2012. Until 2018, Will was a member of the First-tier Tax Tribunal.

Helen Thornley

Helen has a focus on personal and capital taxes. Initially training as an accountant before moving to tax, she worked in practice until her appointment as a technical officer in 2017. Helen also has an interest in the history of tax.