Heir of change

WAL-MART's new chief sees dazzling future in China; expects local retail to reach 25% of global market

Like many retail employees, Greg Penner started his first job at WAL-MART Stores Inc as a trainee, in its Siloam Springs, Arkansas store.

Twenty years on, as the third person to lead the world's largest family-controlled business and leading retailer by revenue, Penner still recalls the store manager, Gary Harris, had a big impact on him.