Samsung Electronics said Tuesday that its co-Chief Executive Han Jong-hee has died of cardiac arrest. He was 63.

Samsung Electronics said on Tuesday that co-CEO Han Jong-hee had died of a heart attack, leaving newly-appointed boss Jun Young-hyun solely in charge of the tech giant as it revamps its underperforming chip business and navigates trade uncertainties.

Hee died from cardiac arrest on Tuesday, according to a spokesperson for the South Korean tech giant. Han was 63. Born in 1962, Han had overseen Samsung’s consumer electronics and mobile devices businesses since 2022,