This work suggests that diplomacy is no longer restricted to a single vocation nor official diplomatic work implemented only through interaction amongst official representatives. In exploring the challenges that these transformations produce, it surveys firstly, the genealogy of diplomacy as a profession, tracing how it transformed from a civic duty into a vocation requiring training and the acquisition of specific knowledge and skills. Secondly, using the lens of the sociology of professions, the development of diplomacy as a distinctive profession is examined, including its importance for the consolidation of the power of modern nation-states. Thirdly, it examines how the landscape of professional diplomacy is being diversified and, we ar...