TheSpaceXPolaris Dawn mission has set several space records, including being the first to help with a private spacewalk.

One of the individuals on the potentially dangerous spacewalk mission is the CEO of a publicly traded company. Should shareholders be concerned?

What Happened:BillionaireJared Isaacmanand SpaceX engineerSarah Gilliscompleted the first private spacewalk Thursday as part of the Polaris Dawn mission.

The accomplishment is incredibly rare and risky, and had previously been reserved for astronauts of national space programs, Reuters reported.

While he may not be a household name like other famous astronauts likeNeil Armstrong...