Eddie Wilson is the straight-talking chief executive of Ryanair, who emanates a “boyish charm” and a “south Dublin accent”, according to the airline’s corporate bio. Wilson served as the airline’s chief people officer for almost two decades, managing 19,000 employees across 240 destinations in 40 countries. But he pushed the boundaries of that role by making himself indispensable to management and avoiding what he believes are the biggest mistakes HR professionals make. Wilson told The Currency about eking every drop of productivity out of employees, Ryanair’s culture of costs, and the naivety of expecting loyalty in exchange for perks or…