We have embarked on a career path that others don’t quite understand. When we chat about our jobs with Harvard Business School classmates, six years after graduation, they often smile bemusedly and nearly always ask the same question: “You’re doing what?” Both of us are in the field of human capital management, helping major companies select, retain, and groom their cadre of rising stars. Translation: We work in HR.

A version of this article appeared in the July–August 2008 issue of Harvard Business Review.