
Caption
Gunners from the Armed Forces of Ukraine fire at Russian position with a 155 mm self-propelled howitzer 2C22 in the Kharkiv region on April 21, 2024. (Anatolii Stepanov/AFP via Getty Images)
Thomas Tierney is the co-founder and chairman of The Bridgespan Group.
Thomas Tierney is the co-founder and chairman of The Bridgespan Group.
A new book by Thomas Tierney, co-founder and chairman of "The Bridgespan Group(The Bridgeman Group)":, and Joel Fleishman, a
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