Guo Shina, the former chairman and CEO of International Business Machines, died last Saturday at the age of 83. Guo Shner's nine-year tenure is often used as a case study of corporate leadership; during that period, he shifted the company's focus from hardware production to business services. Under Guo Shner's leadership, IBM's stock price soared from $13 to $80, the market capitalization grew from $29 billion to about $168 billion, and service revenue grew from $7.4 billion in 1992 to $30 billion in 2001.

Guo Shina, the former chairman and CEO of International Business Machines, died last Saturday at the age of 83. Guo Shner's nine-year tenure is often used as a case study of corporate leadership; during that period, he shifted the company's focus from hardware production to business services. Under Guo Shner's leadership, IBM's stock price soared from $13 to $80, the market capitalization grew from $29 billion to about $168 billion, and service revenue grew from $7.4 billion in 1992 to $30 billion in 2001.