An employee of the Union Aerospace Corporation, Dusty Welch worked at the UAC's Alpha Labs on Mars. Welch's post was in Sector 3, dealing with the waste materials from the Molecular Storage Compactor.
To the frustration of his department operations coordinator Mark Lamia, Welch was overeager to please his superiors, going so far as to clean up Lamia's closet. Welch said this was due to his gratefulness at being able to work at the UAC, saying his last employer "didn't appreaciate his skills".