This chapter provides an example of a feminist posthumanist diffractive methodology in gender and management research. Feminist posthumanist philosophies reject essentialist assumptions that the world is populated with pre-existing entities awaiting discovery. They foreground the constitutive role of measurement processes in bringing objects of study into being. They insist that measurement of an object take into account the inseparability of the measuring apparatus and that object, and propose ‘diffractive’ (Barad 2007 Haraway 1992 1997) methodologies as a means of enacting this. Drawing on these insights, our chapter suggests that a diffractive methodological approach entails undertaking ‘diffractive genealogies’ (Mauthner 2016) - situated philosophical histories - of research methods as an inherent and inseparable part of the practice of these methods. We illustrate our approach with the Listening Guide feminist voice-centred relational method, Alkhaled’s (Alkhaled-Studholme 2013) use of it in her qualitative study of female entrepreneurship in Saudi Arabia, and Mauthner’s (2016) diffractive genealogy of this method.