US retail giant Wal-Mart has named Wan Ling Martello as senior vice president and chief financial officer for its international operations.

Martello, who will join the company at its Arkansas headquarters on 14 November, has been president, USA, of NCH Marketing Services, a provider of promotional management solutions to manufacturers, merchandisers and retailers of consumer products in several countries around the world. She had been the company's chief operating officer from 1999-2004 and its chief financial officer from 1998-1999.

Prior to NCH, Martello was corporate controller for Borden Foods when owned by Kohlberg Kravis Roberts & Co.  She also served for ten years in various financial positions for Kraft Foods.

Wal-Mart International recorded sales of US$56.3bn last year and operates in 15 markets outside the United States.