A sherpa[1] is the personal representative of a head of state or head of government who prepares an international summit, such as the annual G7 and G20 summits. Between the G7 summits there are multiple sherpa conferences where possible agreements are laid out. This reduces the amount of time and resources required at the negotiations of the heads of state at the final summit. The name sherpa—without further context—refers to sherpas for the G7 summit, but the designation can be extended to different regular conferences where the participation of the head of state is required. The sherpa is generally quite influential, although they do not have the authority to make a final decision about any given agreement.
The name is derived from the Sherpa people, a Nepalese ethnic group, who serve as guides and porters in the Himalayas, a reference to the fact that the sherpa does all the heavy lifting for the principal to reach a major summit.