Successful givers secure their oxygen masks before coming to the assistance of others. Although their motives may be less purely altruistic, their actions prove more altruistic, because they give more.

In the workplace, many people become helicopter managers, hovering over their employees in a well-intentioned but ill-fated attempt to provide support. These are givers gone awry - people so desperate to help others that they develop a white knight complex and end up causing harm instead.

Frenemies are worse than enemies, and it's not just in the workplace.

For women to achieve equal representation in leadership roles, it's important that they have the backing of men as well as women.

You don't lead by hitting people over the head - that's assault, not leadership.

Once it gets to a point where it becomes a matter of life and death to occupy a position of leadership or not, with an eye on future opportunities, therein lies the danger.

Buying a company that is number one in its business is hard to do. When something is for sale, it's often not a leader.

While Wall Street firms typically underwrite offerings in teams, the lead underwriter, or manager, of the offering has primary responsibility for selling the offering and reaps much of the fees and profit.