Mark McLaughlin is a consultant with his own practice, Mark McLaughlin Associates Ltd, which provides tax consultancy and support services to professional firms throughout the UK. He is a fellow of the CIOT and a member of the ATT and STEP. Iris Wünschmann-Lyall is a solicitor and specialises in estate planning, trusts, probate and tax related matters and is a Registered Trust and Estate Practitioner. Chris Erwood is a qualified associate of both the Chartered Institute of Taxation and STEP.