Thomas A. McGeady is former Dean of the Veterinary Faculty at University College Dublin. His academic career was spent in the Department of Veterinary Anatomy, Faculty of Veterinary Medicine, UCD, where he taught comparative embryology and developmental anatomy to veterinary students. His lectures and class notes provided the basis for many of the chapters in the first edition of Veterinary Embryology.

P.J. Quinn was Professor of Veterinary Microbiology and Parasitology and Head of the Department in the School of Veterinary Medicine, University College Dublin, from 1985 to 2002. He is the senior co-author of, amongst others, Veterinary Microbiology and Microbial Disease (2nd edition 2011), and Concise Review of Veterinary Microbiology (2nd edition 2016). He was awarded the title Professor Emeritus by University College Dublin in 2002. In 2006, he was recipient of the Association of Veterinary Teachers and Research Workers outstanding teaching award.

Eamonn S. FitzPatrick is former Chief Technical Officer in the School of Veterinary Medicine, University College Dublin. He is a Fellow of the Institute of Biomedical Science, and taught veterinary anatomy and histology for over 25 years. He is co-author of Veterinary Microbiology and Microbial Disease (2nd edition 2011) and Concise Review of Veterinary Microbiology (2nd edition 2016).

Marion T. Ryan is Senior Technical Officer and provides molecular biology support to the School of Veterinary Medicine, University College Dublin. She has published papers in a wide range of peer-reviewed journals encompassing the areas of veterinary and biomedical science education, animal genetics and host/pathogen interactions, having worked in the field of molecular biology and genetics for over 20 years.

David Kilroy is College Lecturer in Veterinary Biosciences in the School of Veterinary Medicine, University College Dublin. He has previously taught anatomy and embryology to students of science and veterinary medicine at the Royal Veterinary College, London. He is co-author of The Canine Abdomen for CLIVE (Computer-aided Learning In Veterinary Education) (2000).

Patrick Lonergan is Professor of Animal Reproduction in the School of Agriculture and Food Science, University College Dublin. His main areas of interest are early embryo development in vivo and in vitro, embryo-maternal communication and understanding embryo mortality. He has supervised numerous Masters and PhD students and Post-doctoral Fellows. He has a large volume of refereed research publications, recognised by the award of a D.Sc. Degree from National University of Ireland in 2005 and his election to the Royal Irish Academy in 2012. He is former President of the International Embryo Transfer Society, and currently serves on the Editorial Boards of the journals Biology of Reproduction and Reproduction Fertility and Development.