Geburtsdatum | Freitag, 05. März 1954 |
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Beschreibung | Thomas J. Tierney (born 5 March 1954) is an American business executive and corporate writer, who is the co-founder of the nonprofit Bridgespan Group that provides management consulting to nonprofits and philanthropists. He has been chairman of eBay since July 2015. Tierney is cited by the book Management Consultancy in the 21st Century as a specialist in customer service and marketing. |
