Chi era Bill Campbell?

Il Coach di Steve Jobs! Coooosa? Davveeero?

https://www.amazon.it/trilione-dollari-manuale-leadership-Campbell/dp/8833620581

https://www.repubblica.it/tecnologia/2016/04/19/news/usa_e_morto_bill_campbell_coach_della_silicon_valley-137954653/

https://www.saggiamente.com/2016/04/e-scomparso-bill-campbell-storico-consigliere-di-apple/

https://www.unicomunicazione.it/strategie-del-coach-da-un-trilione-di-dollari/

https://www.coachingtime.it/intervista-a-tim-gallwey-e-sir-john-whitmore-inner-game-e-coaching/

https://it.wikipedia.org/wiki/John_Whitmore

https://it.wikipedia.org/wiki/Timothy_Gallwey

https://theinnergame.com/about-tim-gallwey/