Rachel graduated from Nottingham University (1995) and completed the Association of Clinical Embryologists Post Graduate Diploma as a trainee embryologist. In 2001 she became Principal Embryologist at Jessop Fertility and held the position of HFEA Person Responsible. Rachel was Chair of ACE from 2011 to 2014. She helped develop the national curriculum for training embryologists and has written guidelines for oocyte freezing and elective single embryo transfer. She has written papers, chapters and has lectured internationally. Rachel joined the HFEA as the Director of Compliance and Information in 2019. She was awarded an MBE in 2015 for services to infertility. Mostafa Metwally is a Consultant in Reproductive Medicine and Surgery at Sheffield Teaching Hospitals and the University of Sheffield, Sheffield UK. He has a wide research activity and leads a nationwide research team managing a large portfolio of national research grants. He is also the Chair of the RCOG Reproductive Medicine Research Group and the Chair of the British Fertility Society Training and Education Committee. He has a strong clinical interest in reproductive medicine, particularly reproductive surgery. He has published widely in this area with several published books, and an extensive number of research papers and book chapters.