Longtime Democratic-Farmer-Labor Party Chair Ken Martin has been elected chair of the Democratic National Committee in a commanding first ballot victory, vaulting him to the national stage while leaving a major hole to fill for local Democrats.

Here are five things to know about Ken Martin, the Minnesota party chair that Democrats just chose to lead the DNC.

Minnesota's Ken Martin has won the race for chair of the Democratic National Committee, beating Wisconsin's Ben Wikler in a closely watched contest. Now Democrats are looking to define their new agenda and review their strategies.