U.S. Air Force pilot and pilot for NASA’s SpaceX Crew-3 mission!

Raja Chari, on the other hand, is a U.S. Air Force pilot and astronaut who served as the commander of the SpaceX Crew-3 mission [2]. He played a leadership role in the mission and was responsible for overseeing its execution.

In summary:

Tom Marshburn was the pilot for NASA's SpaceX Crew-3 mission.
Raja Chari served as the commander of the same mission.