Первая часть составных названий должностей, обозначающая: руководитель, старший и т. д., например: шеф-повар, шеф-пилот.
"Life is far too important a thing ever to talk seriously about." Oscar Wilde
"Free speech carries with it some freedom to listen." Warren E. Burger
"Honor is not the exclusive property of any political party." Herbert Hoover
"Hitch your wagon to a star." Ralph Waldo Emerson