titan

1. N-COUNT If you describe someone as a titan of a particular field, you mean that they are very important and powerful or successful in that field. 巨人; 巨頭[usu N n, N 'of' n]

...the country's two richest business titans. ...這個(gè)國(guó)家兩位最富有的商業(yè)巨頭。