Pierce is an automotive designer by trade with a personal focus on conceptual design across a broad range of fields, including aircraft and spacecraft, heavy industrial vehicles, mechs and robots, hard-surface props, and environments and characters for worldbuilding.

He specializes in designing vehicles and props for media (TV, film, and video games) with a particular emphasis on integrating existing IP and narrative. His design work combines the aesthetics and themes of fictional worlds with grounded mechanical realism and technical hard science.