Here is an excerpt from an article written by Gary Hamel for Harvard Business Review and the HBR Blog Network. To read the complete article, check out the wealth of free resources, obtain subscription information, and receive HBR email alerts, please click here.

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Pope Francis has made no secret of his intention to radically reform the administrative structures of the Catholic church, which he regards as insular, imperious, and bureaucratic. He understands that in a hyper-kinetic world, inward-looking and self-obsessed leaders are a liability.

Last year, just before Christmas, the Pope addressed the leaders of the Roman Curia — the Cardinals and other officials who are charged with running the church’s byzantine network of administrative bodies. The Pope’s message to his colleagues was blunt. Leaders are susceptible to an array of debilitating maladies, including arrogance, intolerance, myopia, and pettiness. When those diseases go untreated, the organization itself is enfeebled. To have a healthy church, we need healthy leaders.

Through the years, I’ve heard dozens of management experts enumerate the qualities of great leaders. Seldom, though, do they speak plainly about the “diseases” of leadership. The Pope is more forthright. He understands that as human beings we have certain proclivities — not all of them noble. Nevertheless, leaders should be held to a high standard, since their scope of influence makes their ailments particularly infectious.

The Catholic Church is a bureaucracy: a hierarchy populated by good-hearted, but less-than-perfect souls. In that sense, it’s not much different than your organization. That’s why the Pope’s counsel is relevant to leaders everywhere.

With that in mind, I spent a couple of hours translating the Pope’s address into something a little closer to corporate-speak. (I don’t know if there’s a prohibition on paraphrasing Papal pronouncements, but since I’m not Catholic, I’m willing to take the risk.)

Herewith, then, the Pope (more or less):

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The leadership team is called constantly to improve and to grow in rapport and wisdom, in order to carry out fully its mission. And yet, like any body, like any human body, it is also exposed to diseases, malfunctioning, infirmity. Here I would like to mention some of these “[leadership] diseases.” They are diseases and temptations which can dangerously weaken the effectiveness of any organization.

[Here are three of the 15.]

o The disease of thinking we are immortal, immune, or downright indispensable, [and therefore] neglecting the need for regular check-ups. A leadership team which is not self-critical, which does not keep up with things, which does not seek to be more fit, is a sick body. A simple visit to the cemetery might help us see the names of many people who thought they were immortal, immune, and indispensable! It is the disease of those who turn into lords and masters, who think of themselves as above others and not at their service. It is the pathology of power and comes from a superiority complex, from a narcissism which passionately gazes at its own image and does not see the face of others, especially the weakest and those most in need. The antidote to this plague is humility; to say heartily, “I am merely a servant. I have only done what was my duty.”

o Another disease is excessive busyness. It is found in those who immerse themselves in work and inevitably neglect to “rest a while.” Neglecting needed rest leads to stress and agitation. A time of rest, for those who have completed their work, is necessary, obligatory and should be taken seriously: by spending time with one’s family and respecting holidays as moments for recharging.

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o Lastly: the disease of extravagance and self-exhibition. This happens when a leader turns his or her service into power, and uses that power for material gain, or to acquire even greater power. This is the disease of persons who insatiably try to accumulate power and to this end are ready to slander, defame and discredit others; who put themselves on display to show that they are more capable than others. This disease does great harm because it leads people to justify the use of any means whatsoever to attain their goal, often in the name of justice and transparency! Here I remember a leader who used to call journalists to tell and invent private and confidential matters involving his colleagues. The only thing he was concerned about was being able to see himself on the front page, since this made him feel powerful and glamorous, while causing great harm to others and to the organization.
Friends, these diseases are a danger for every leader and every organization, and they can strike at the individual and the community levels.

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Here is a direct link to the complete article.

An influential business thinker, Gary Hamel is visiting professor at London Business School and cofounder of The Management Innovation Exchange. His latest book is What Matters Now: How to Win in a World of Relentless Change, Ferocious Competition, and Unstoppable Innovation.