"Good Bad Billionaire" is a podcast where hosts Simon Jack and Zing Tsjeng discuss the life and career of Eike Batista, a Brazilian businessman who rose to become the seventh richest person in the world before facing a dramatic fall from grace due to corruption charges and mismanagement of his business empire. The hosts delve into Batista's upbringing, his early success in gold mining, his ambitious ventures in various sectors, and his eventual downfall, including his conviction and imprisonment for bribery and insider trading. They also discuss his flamboyant lifestyle, his attempts at philanthropy, and the impact of his actions on Brazil's economy and reputation, ultimately judging him to be a "bad billionaire" based on his crimes and ethical failings. The hosts encourage listeners to share their own opinions on Batista and other billionaires.