Debbie is a well known author and speaker and an internationally recognised expert on genetic genealogy. She is an Honorary Research Associate in the Department of Genetics, Evolution and Environment at University College London. She is the author of two books: DNA and Social Networking and The Surnames Handbook. She has written widely about DNA testing both for the family history press and in academic journals. She was the co-author of an influential paper published in Human Reproduction in 2016 on “The end of donor anonymity: how genetic testing is likely to drive anonymous gamete donation out of business”. Debbie has given many presentations to various fertility organisations (BICA, HFEA, ESHRE, Donor Conception Network) on the impact of genetic testing on donor anonymity. She is also a regular speaker at various genealogy conferences in the UK and Ireland. She has been interviewed about genetic ancestry testing for BBC Radio 4, appearing on You and Yours and The Business of Genetic Ancestry and also appeared on TV on the BBC programme Watchdog.