American businessman, investor, and philanthropist. Vice chairman of Berkshire Hathaway and chairman of the Daily Journal Corporation.

Bring the Donuts. Coach to product leaders. I write about product management at https://t.co/97Gbgb5FGj. Before: 14 years @Google (he/him)

I deconstruct how leading companies & individuals leverage marketing & psychology to grow exponentially. Now: @GetBaraka Ex: @KPMG @Nestle