Jennifer Wiggins is a registered genetic counselor (UK) who has worked in clinical genetics services for 17 years. She has specialised in both pre-natal and cancer genetics. She has been the Vice-Chair of the Association of Genetic Nurses and Counselors and is a mentor and assessor for the Genetic Counselor Registration Board (UK and ROI) and is currently a senior genetic counselor at The Royal Marsden NHS Foundation Trust, London, UK. Anna Middleton has had two parallel careers, the first as a registered genetic counselor working in various regional clinical genetics services in the UK and the second as a social scientist exploring the ethical implications of genetic and genomic technologies. She has a PhD in Genetics and Psychology and is currently working as an Ethics Researcher at the Wellcome Trust Sanger Institute in Cambridge, UK. She has been the Vice-Chair of the Genetic Counselor Registration Board and on the editorial board for the Journal of Genetic Counseling (US).