Damon Dash, 32; CEO, Roc-A-Fella Enterprises.(Special Report: 40 Under 40)(Brief Article)

Byline: valerie block

A large tattoo of lakshmi, the Hindu goddess of wealth, adorns Damon Dash's right bicep, illustrating the hip-hop impresario's primary goal: making money.

So far, Lakshmi has been good to the Harlem native. She's helped him transform a successful record label featuring partner Jay Z into a $500 million enterprise with a thriving urban clothing line, a film division and even a premium vodka brand.

Still, it's Mr. Dash's attention to detail that has truly spurred his success. The entrepreneur often sits with a phone to each ear as he takes calls from rappers reciting their rhymes and fashion designers reviewing the latest …