Robert Alan Eustace is an American computer scientist who served as Senior Vice President of Engineering and first Senior Vice President for Knowledge at Google until retiring in 2015. On October 24, 2014, he made a free-fall jump from the stratosphere, breaking Felix Baumgartner's world record. The jump was from 135,890 feet (41.42 km) and lasted 15 minutes, an altitude record that stands as of 2024. He won the Laureus World Action Sportsperson of the Year in 2015.

Joseph William Kittinger II was an officer in the United States Air Force (USAF) who served from 1950 to 1978, and earned Command Pilot status before retiring with the rank of colonel. He held the world record for the highest skydive—102,800 feet (31.3 km)—from 1960 until 2012.