Joachim Walther co-directs the ProQual Institute for Interpretive Research Methods on the Sunshine Coast, Queensland, Australia, where he leads international training programs in interpretive research design. He previously served as a Professor of Engineering Education at the University of Georgia, USA.

Nicola W. Sochacka co-directs the ProQual Institute for Interpretive Research Methods on the Sunshine Coast, Queensland, Australia. With more than two decades of experience in interpretive research, she works internationally as a consultant on educational research and evaluation projects.