Who is the lead flight attendant on an international flight and on certain domestic flights?

The lead flight attendant on an international flight and certain domestic flights is referred to as the Purser. This role is significant because the Purser not only oversees the cabin crew but also ensures that all safety and service standards are met during the flight. They manage the overall operation of the cabin, handle any issues that arise, and serve as the main point of communication between the flight crew and the passengers, as well as between the flight attendants and the cockpit crew. Additionally, the Purser often takes on responsibilities such as managing meal service and addressing passenger needs, ensuring that everything operates smoothly throughout the journey. This position is crucial for maintaining a high level of service and for ensuring compliance with airline policies and safety protocols.