Antony Bryant is Professor of Informatics, Leeds Beckett University, UK; Chief Researcher, Institute of Educational Research, Vytautas Magnus University, Lithuania. He has written extensively on qualitative research methods, being Senior Editor of The SAGE Handbook of Grounded Theory (2007) and The SAGE Handbook of Current Developments in Grounded Theory (2019), both co-edited with Kathy Charmaz.

Adele E. Clarke is Professor Emerita of Sociology and History of Health Sciences, University of California, San Francisco, U.S.A. She developed situational analysis, an extension of grounded theory, and has published four books about it. With Jan Morse, Kathy Charmaz and others, she co-authored the 2nd edition of Developing Grounded Theory: The Second Generation Revisited (Routledge, 2021).