Great managers know they don't have 10 salespeople working for them. They know they have 10 individuals working for them . A great manager is brilliant at spotting the unique differences that separate each person and then capitalizing on them.

CEOs the world over are fond of pointing to their workforce and saying "Our people are our greatest asset." And yet today, only two out of ten people think their assets are being well used at work.

It's odd that I'm a big name in America and not known in Britain.

It's a special person - and personality - who can lead a start-up to soaring success and sustain that success for the long term. Apple co-founder Steve Jobs and Facebook's Mark Zuckerberg are star examples.

CEOs hate variance. It's the enemy. Variance in customer service is bad. Variance in quality is bad. CEOs love processes that are standardized, routinized, predictable. Stamping out variance makes a complex job a bit less complex.

Great leaders rally people to a better future.

The Four Keys of Great Managers: When selecting someone, they select for talent ... not simply experience, intelligence or determination. When setting expectations, they define the right outcomes ... not the right steps. When motivating someone, they focus on strengths ... not on weaknesses. and When developing someone, they help him find the right fit ... not simply the next rung on the ladder.