Peter Boot studied mathematics in Leiden and Dutch Studies in Utrecht. He worked for more than ten years in an IT department, where he specialized in database technology. In November 2009 he obtained his PhD at Utrecht University with a dissertation on annotations in digital scholarly editions. At Huygens ING he works as a senior researcher. The main focus of his research is on response to literature in online journals, discussion forums, weblogs, internet bookshops and other online platforms. He is also a specialist in the field of text encoding and XML.