John Tien – Biography

Last update: March 19, 2026

Executive profile

John was Chief of Staff, Global Consumer Operations and Technology for Citigroup. John Tien joined Union Pacific in 2024.

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Education

John Tien has a Bachelor of Science from United States Military Academy at West Point and a Master of Arts from University of Oxford.

They have also studied at United States Military Academy at West Point :

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They have also studied at University of Oxford :

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  • In the Highways & Railroads industry, John Tien has 3,398 colleagues in 216 companies located in 38 countries. 2,064 executive movements have been recorded in the last 12 months. Learn more about Highways & Railroads.

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