Central bankers can be defined as agents in charge of the decisions that are studied, developed and implemented within the central banks. These financial institutions have been both products and agents of nation-building and state formation (Cohen 1998; Feiertag and Margairaz 2016; Helleiner 1998), as well as that of the international diffusion of norms and structures (Krampf 2013; Marcussen 2005; Polillo and Guillén 2005). They are inserted and act in national and historical contexts, but they also share common functions (control of credit and money supply, banking and payment system supervision, reserve management, monetisation of budget deficit, collection and publication of data, etc.), objectives (price stability, macroeconomic and financial consistency), instruments (interest rates, open market operations, cash reserve ratio or other requirements and tools) and norms. Equipped with monopoly privileges such as issuing notes and acting as the final authority on monetary policy decisions, these institutions coordinate, in varying degrees, with governments. They also cooperate with each other as well as with regional, international and supranational decision-makers, some of which-such as the International Monetary Fund (IMF) and the Bank for International Settlements (BIS)-monitor and engage in policy coordination (Borio et al. 2008; Eichengreen et al. 2018; Toniolo 2005). In fact, in addition to being national policy-makers, central bankers have acquired a major role in the contemporary world economy and a central position in global governance (Baker 2006; Hall 2008). In comparison with other sectors of public policy, monetary decisions are, in general, clearly identified and highly formalised. Furthermore, they are characterised by a very high degree of centralisation of decision power in the hands of a few