Recognising that regional differences in mentored undergraduate research and inquiry (URI) practices shape how academic developers might adapt international practices and resources to their local contexts, guest editor Jessie L. Moore invited four scholars to discuss the key terms, concepts, and initiatives for mentored URI in their countries. Spelling has been standardized throughout the conversation but have maintained regional differences in terms used to describe aspects of mentored URI. Susan Larson is a professor of psychology at Concordia College in Moorhead, Minnesota. She is a Councilor with the Council on Undergraduate Research (CUR) and served as the 2016-2017 president of the US-based organization. Lee Partridge is an academic developer and an adjunct faculty member at The University of Western Australia and Notre Dame University Australia. She is a senior consultant with Higher Education Evaluation and Development (HEED) Consulting and serves as an executive member of the Higher Education Research and Development Society of Australasia (HERDSA); she is also the founding director of University to Community Inc. in Perth Western Australia. Helen Walkington is a professor of higher education in the Department of Social Sciences at Oxford Brookes University in Oxford, UK. She is a National Teaching Fellow and has been a steering group member of the British Conference of Undergraduate Research (BCUR) since its inception in 2010. Brad Wuetherick is Executive Director, Learning and Teaching in the Office of the Provost and Vice President Academic and the Centre for Learning and Teaching at Dalhousie University in Halifax, Nova Scotia, Canada. He previously served as a Canadian Vice President on the Board of Directors for the International Society for the Scholarship of Teaching and Learning (ISSOTL). Jessie L. Moore is Director of the Center for Engaged Learning at Elon University, which sponsored a 2014-2016 multi-institutional and international research seminar on excellence in mentoring undergraduate research. She currently serves as a US Vice President for ISSOTL.