Zipline builds autonomous drones and runs delivery services with them. Keller Rinaudo Cliffton founded the company in 2014 with Keenan Wyrobek and William Hetzler. It is based in South San Francisco, California.
Zipline began in 2016 by delivering blood to hospitals in Rwanda, dropping packages by parachute. It later expanded to Ghana, Nigeria, Kenya and other countries, carrying vaccines, medicines and medical supplies. Its national programs cover large rural areas where roads are slow.
In the United States, Zipline has built a newer system for home delivery. A drone hovers over a home and lowers a small delivery robot on a tether to drop the package at the door. It works with health systems, restaurants and retailers, including Walmart. The drones fly under approval from the US Federal Aviation Administration. Keller Rinaudo Cliffton is chief executive. Zipline makes its own aircraft, launch systems and software. It has raised several funding rounds and remains privately held.