Working his way up in the company , Gupta was elected to the board of directors .
Working his way up in the company , Gupta was named vice chairman in January 1999 and later became chairman and chief executive officer in October 1999 .
Working his way up in the company , Gupta was elected to the board of directors and named vice chairman in January 1999 and later became chairman and chief executive officer in October 1999 .