Christensen had gained enough know-how and professional recognition to partner with a well-known Kenyan guide, Justin Bell, and his company, Wilderness Africa, and strike out as a private guide a kind of uber-guide, not wedded to a single park or country, who advises clients and accompanies them to select destinations.

WSJ: Walk With the Animals

"Everyone who lives in Toronto, even if they're 100 years old, knows Kensington Market, " says Bruce Bell, a local tour guide who makes regular pilgrimages into the market.

BBC: Toronto��s Kensington Market: A loveable hodgepodge

To the rescue have come a plethora of scientific processes aimed to guide the hapless leader: defined competencies, performance criteria, psychometric assessments, structured feedback, bell curves, 4-quadrant matrices, 9-box grids, circumplexes, weightings and ratings.

FORBES: Relax. Managing Talent Is Really Not That Hard!