A former lecturer at the London School of Economics, he is the author of 'A Critical Psychology of the Postcolonial', 'Post-apartheid Conditions' and 'Foucault, Psychology and the Analytics of Power'. In addition to his academic work, Derek works also as a clinician. He conducted his psychoanalytic training at the Centre for Freudian Analysis and Research in London. His forthcoming book is entitled 'Five Moments in Lacan'