The correct answer is a chairperson.
A political party chairperson is the head of a political party at a local, state or national level.
The chairperson acts as the chief executive officer of the party and oversees the party's different activities such as: operations, election strategy, candidate recruitment and fundraising.
<em>The state political party chairperson </em>is the highest-ranking party officer at the state level. He calls meetings and oversees the party's operations, its fundraising and the election of candidates.
State party chairpersons are elected through a state convention, caucus or a primary election. They may receive compensation or serve on a voluntary basis.