captain
noun
2 the cup was presented to the winning team's captain:
leader, head, skipper;
representative, figurehead;
informal boss.
3 a captain of industry:
magnate, tycoon, mogul, grandee, baron, nabob, mandarin, industrialist;
chief, head, leader, boss, principal;
informal number one, bigwig, big wheel, big cheese, big shot, big gun, big noise, top dog, fat cat;
North American, informal honcho, kahuna, top banana, big enchilada, macher.