The two are similar, and you'll often see them combined. For the most part, president pre-dates the CXO nomenclature. Before there were CEOs, COOs, and CFOs, t

The two are similar, and you'll often see them combined. For the most part, president pre-dates the CXO nomenclature. Before there were CEOs, COOs, and CFOs, there were Chairmen, Presidents, and Treasurers. Those titles/roles still exist, but are often merged with CXO functions.