Livres

Delivering Happiness Delivering Happiness
2010
L'entreprise du bonheur L'entreprise du bonheur
2011
PEAK PEAK
2017
Exceptional Customer Service Exceptional Customer Service
2009
Delivering Happiness Delivering Happiness
2017

Livres audio

Startup Mixology : Tech Cocktail's Guide to Building, Growing, and Celebrating Startup Success Startup Mixology : Tech Cocktail's Guide to Building, Growing, and Celebrating Startup Success
2022
L'entreprise du bonheur L'entreprise du bonheur
2023