Who we are

Technical Steering Group

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

Yvette Nunn

Yvette is a member of ATT Council and a past President. 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 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.

Other Steering Group members are:

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 Councii, 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.

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.

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 anEmployment Tax Manager at KPMG. Hayley represents the ATT on HMRC's Employment and Payroll Group.

Senga Prior

Senga is a member of ATT Council. She works in practice for Johnston Carmichael Chartered Accountants & Business Advisers 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 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.

Randeep Sidhu

Randeep is a senior policy adviser at the Office of Tax Simplification. Prior to this he worked for PwC for nine years.

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 a member of ATT Council, He is the ATT Representative on the Bournemouth and Dorset Working Together Group and is Vice Chair of the joint CIOT/ATT Working Together Sub-Committee and also sits on The Issues Overview Group. He has been a committee member of the Somerset and Dorset Branch of ATT/CIOT since 2001. Jon is a personal tax senior with Smith & Williamson, having 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 Steering Group, Stephen was for 8 years Chair of the SW England Branch. Stephen chairs the VAT sub-group.


VAT sub-group members

  • Kelly Allen
  • Nancy Cruickshanks
  • Bob Davies
  • Glyn Edwards
  • Jamie Jarrett
  • Julian Millinchamp
  • Hugh Mitchell
  • Arif Punjani
  • Nichola Ross Martin
  • Michael Steed
  • Stephen Taylor

Kelly Allen

Kelly is a Tax Assistant Manager at Taylor Wimpey plc. 

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.

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.  

Julian Millinchamp

Julian is a member of ATT Council. He is a senior VAT manager 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.

Arif Punjani

Arif is a senior partner of Matplus Chartered Certified Accountants.  In addition to the ATT qualification, he also holds the ACCA and TEP qualifications and a diploma in International Financial Reporting Standards.


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. Will is 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.