- Andre De Ruyter, CEO of South African energy giant Eskom, was poisoned with cyanide in December.
- He joked Tuesday that you should "never have a personalized mug" after poison was slipped into his coffee.
- In the same interview, De Ruyter made a series of explosive claims about corruption in the industry.
Andre De Ruyter, the South African energy executive who made global headlines after being poisoned with cyanide, recommended never having a personalized mug at work in an interview broadcast this week.