Peter J. Taylor is a Fellow of the British Academy and of the UK Academy of Social Sciences, and Founder of the Globalization and World Cities Research Network (GaWC). He is Emeritus Professor of Geography at both Loughborough and Northumbria Universities. He has held visiting positions in the USA, Canada, Belgium, and the Netherlands, and has been an advisor to the Chinese Academy of Social Sciences. He is the author of several hundred publications of which 170 are peer-reviewed articles. Relevant books include Extraordinary Cities (2013), World City Network (2016), Cities Demanding the Earth (2020), and Advanced Introduction to Cities (2021). He has been awarded Honorary Doctorates by Ghent University and Oulu University and was designated for 2003 Distinguished Scholarship Honors by the Association of American Geographers.

Michael Barke is the Honorary Librarian, Executive Committee and Council Member of the Society of Antiquaries of Newcastle upon Tyne (established 1813) based at the Great North Museum: Hancock in Newcastle upon Tyne. Formerly he was Reader in Human Geography at Northumbria University. He has published over 120 articles and book chapters in peer-reviewed academic journals and texts. He is co-author of Newcastle upon Tyne: Mapping the City (2021) and has published numerous articles in Northern History, Urban History, International Journal of Regional and Local History, Archaeologia Aeliana, and The Local Historian. He was Treasurer and member of the Executive Council of the International Seminar on Urban Form for over 20 years.

Zachary P. Neal is Professor of Psychology at Michigan State University. He is a member of the Board of Directors of the International Network for Social Network Analysis and chairs their Working Group on Data Sharing. He is the author of over 100 peer- reviewed articles, and his books include The Connected City (2013), Handbook of Applied Systems Science (co-ed 2016), and Handbook of Cities and Networks (co-ed 2021). He is Co-Editor-in-Chief of the journal Global Networks and has held editorial positions for the journals Evidence and Policy, City and Community, and Journal of Urban Affairs. His research focusses on the development of methods for studying social networks, and on their application for understanding cities.