Rosetta rightly challenges that positional notion of leadership and instead suggests leadership might be a behavior, but she doesn’t entirely let go of the idea that some people might qualify as ‘leaders’ while others might not.
I want to go a step further. The idea of leadership becomes even more interesting and robust, and more useful as well, if we think of it as a verb rather than a noun (with acknowledgments to Marty Linksy and Linda Kaboolian). One isn’t ‘a leader’ but instead you can – at any given time – exercise leadership. The shift to leadership-as-verb much more sharply distinguishes between people in positions of authority and people exercising leadership, it avoids the thorny question of just how frequently you have to exercise leadership in order to earn that exalted status (is five minutes a day enough? an hour? every waking moment?), and it morphs the notion from being a status you earn to being a behavior you can elect to exercise or not at any given time. It also – importantly – allows for leadership to happen anywhere in an organization, in any direction (an idea Rosetta describes as well).