Siobhan has a BA in Modern History and a Teaching Certificate. She has worked for Historic Royal Palaces for seventeen years and is based at Hampton Court Palace, where she trained as a Costumed Interpreter before becoming an HRP Guide Lecturer. As well as specialising in 16th century dress, she delivers lectures on the history and art of Hampton Court, The Tower of London and the Banqueting House, Whitehall Palace. She lectures abroad for P&O, Crystal and Viking cruise lines and, within the UK, for the National Trust, the Arts Society and the U3A. Siobhan also works with best-selling historian, Alison Weir, on academic study events. She has featured on BBC Radio Women's Hour and PBS Television's Secrets of Henry VIII's Palace. Her book, Tudor Christmas, will be published by Jonathon Cape in Autumn 2018.