"Party leadership" refers to the individuals or group of people who are in charge of leading and making decisions for a political party. They help set the direction, make policy decisions, and organize the party's activities. Full definition
It's time for party leadership at every level to respect those who put them in office, and to lead, follow or get out of the way. (nystateofpolitics.com)
If a party wins nine seats, nine of its candidates are picked off a list by party leadership. (politics.stackexchange.com)
We'll have more on this development as we start to hear from the highest ranks of party leadership. (businessinsider.com)