South Korea's Jung Ki-joon, 52, was head of economic policy at the Office for Government Policy Coordination
- He helped coordinate efforts to create new legislation aimed at suppressing cryptocurrency speculation and illicit activity
- Semiofficial news agency Yonhap reported that Mr. Jung was presumed to have suffered a heart attack
Police have opened an investigation into the cause of death
Wall Street Journal report is here for more (may be gated):