Who we are

Technical Steering Group Members

Technical Steering Group is co-chaired by Yvette Nunn and Michael Steed

Yvette Nunn

Yvette is a past President of the Association, member of ATT Council and past Chairman of Membership Committee. 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.

Michael Steed

Michael is a member of ATT Council and past President. Michael is Kaplan Financial's leading authority on indirect taxes and works closely with both practice and industry clients providing highly bespoke products to meet their exact training needs. Michael also sits on the ATT's VAT Sub-group.


Other Steering Group members are:

Graham Batty

Graham is an associate director with RSM UK. He has a particular interest in the taxation of charities and other not-for-profit organisations and is a member of the HMRC/charity sector joint working group on the reform of the substantial donors legislation. Graham is also a member of ATT Council and the current Vice-President.

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 a member of the Association in May 2005. In 2007 he became a member of the Technical Committee (now Technical Steering Group) and has previously represented it 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.

David Bradshaw

David is a Chartered Accountant and Chartered Tax Adviser having specialized in taxation for over 30 years in both the SME marketplace and large corporate tax departments. David now provides in-house tax services acting as a part time Tax Director for a number of North East businesses. At the same time David is involved in supporting, on a consultancy basis, local small accountancy and legal practices providing a significantly wide range of taxation services - taking him full circle to his early days as a general tax specialist. David has recently joined ATT Council.

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.

Peter Gravestock

Peter is a past President of the Association. He was a tax lecturer and general practitioner covering personal taxes, VAT and NI. He was also a member of the HMRC Powers committee.

Arnold Homer

Arnold Homer represents ATT on the HMRC Fraud Forum, having practised in Revenue Investigation Work for many years. He is a Chartered Accountant, Chartered Tax Adviser and Trust & Estate Practitioner. He is the founding author of the Tolley’s Tax Guide and the Taxwise publications, having combined that role with that of lecturer in Taxation & Revenue Law and specialist taxation work

Gillian McClenahan

Gillian is a tax, trust and estate practitioner trading as Willplantax. Her private client portfolio includes high net worth individuals and trustees. She specialises in Tax efficient estate planning, administration and related Tax compliance and prepares draft Wills and other documents, as part of her consultancy service for solicitors throughout Northern Ireland.

Brian Palmer

Brian is a former member of ATT Council and a past President of the Association of Accounting Technicians. He has been the AAT representative on the Working Together National Steering Group and was the founder of the e-services sub group. Brian is a passionate believer in there being a definite need for HMRC and the profession to have a close working relationship at the operational level. More recently Brian has joined the team at The Office of Tax Simplification.

Hayley Perkin

Hayley is a member of ATT Council and is the current Chair of the Business Development Steering Group. She is a tax supervisor with Wilkins Kennedy LLP in London Bridge, and is specialising in personal taxation and employment taxes. Hayley represents the ATT on HMRC's Employment and Payroll Group.

Senga Prior

Senga joined the Technical Steering Group in 2016. She works in practice for Bell & Company C.A. in Perth where she specialises in personal tax. Her client base is mixed including OMBs and the agricultural industry. She has a special interest in accounting software and is a member of the Scottish User Group of one of the large software houses. Senga represents the ATT on the Scottish Devolved Taxes Collaborative and attends the quarterly ICAS meetings with the Scottish Government.

Nichola Ross Martin

Nichola is the National Tax Director of an internet 'virtual' tax practice which provides tax support for accounting firms across the UK. She specialises in owner-managed businesses. She has also worked as a tax editor for various tax and legal websites. Nichola has recently become the newest member of the ATT's VAT Sub-group.

Oliver Rowland

Oliver joined the Technical Steering Group in 2015. He specialises in private client tax work at PwC where he advises a range of clients from sole traders, high net worth individuals, non-uk domiciles and non-uk residents. Oliver is also a committee member of the London Branch of CIOT/ ATT and is involved with the Newly Qualified Members Group.

Kevin Slevin

Kevin is the owner of Slevin Associates which provides independant taxation consultancy advice to accountants and solicitors in general practice. Kevin is the leading authority on Entrepreneurs' Relief and has written a number of books on the topic. He lectures on this and other areas of Capital Gains Tax. Kevin represents the ATT on HMRC's Capital Taxes Liaison Group.

Jon Stride

Jon is the ATT Representative on the Bournemouth and Dorset Working Together Group and is Vice Chairman of the joint CIOT/ATT Working Together Sub-Committee as well as sitting on The Issues Overview Group. He has been a committee member of the Somerset and Dorset Branch of ATT/CIOT since 2001. Jon works in practice in North Dorset. He has previously worked for top ten companies and in the personal tax compliance section of a private investment bank.

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). Prior to joining Technical Committee, Stephen was for 8 years Chairman of the SW England Branch. Stephen chairs the ATT's VAT Sub-group.


VAT sub-group members

  • Bob Davies
  • Julian Millinchamp
  • Alex Millar
  • Hugh Mitchell
  • Nichola Ross Martin
  • Sunil Sampat

Nancy Cruickshanks

Nancy 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 works for Croner Tax specializing in VAT dispute resolution and advice for the SME sector. He is a member of the CIOT’s Dispute Resolution and Litigation Working Group and regularly represents taxpayers in the Tax Tribunals.

Alex Millar

Alex is a member of Association of Taxation Technicians VAT sub-group. He has been a Chartered Tax Adviser since 2002, and subsequently passed the examinations of the Association of Indirect Tax, which merged with the Chartered Institute of Taxation in 2012. He is also a Fellow Member of the Association of Accounting Technicians and represents that body on HM Revenue & Customs Joint VAT Consultative Committee. Alex has been involved in a number of VAT publications over the years and joined the VAT team at Garbutt + Elliott in 2016.  

Nichola Ross Martin

See above for information about Nicola.

Michael Steed

See above for information about Michael.

Stephen Taylor (Chairman)

See above for information about Stephen.

Neil Warren

Neil has worked in VAT for 33 years - he spent 14 years as an Inspector in HM Customs and Excise before setting up his own tax and accounting practice in 1997.

As well as VAT consultancy work, he writes extensively on VAT for most of the leading tax publications in the UK. Neil was awarded the Taxation Awards Tax Writer of the Year accolade in 2008. He was also the author of Tolley’s VAT Planning book for eight years until 2012.


Professional Staff

Will Silsby: Technical Officer

Will works four days a week for ATT. His role includes supporting members of Technical Steering Group, drafting responses to relevant consultations, representing ATT in meetings with HMRC and other bodies, and liaising with the Chartered Institute of Taxation and Low Incomes Tax Reform Group Technical Officers. 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. Will is a member of the First-tier Tax Tribunal.