Coinspeaker OKEx Executive May Make Appearance at Tron Buffett ‘Power Lunch’Now, with the lunch date set for Thursday, July 25, speculation is rife that Sun will invite a selection of dignitaries from the world of cryptocurrency and blockchain to meet Buffett. Among those likely expected at the lunch is OKEx executive.OKEx Executive May Make Appearance at Tron Buffett ‘Power Lunch’