Allen Chen is a systems engineer in the Entry, Descent, and Landing Systems and Advanced Technologies group at the Jet Propulsion Laboratory. He is currently the Entry, Descent, and Landing (EDL) Lead for the Mars 2020 project. During his ten year tour of duty on the Mars Science Laboratory mission, he was the EDL operation lead, the EDL flight dynamics lead, co-led the joint science/engineering Mars atmosphere characterization team, was a member of the Flight System Systems Engineering team, and did play-by-play commentary for landing. He also worked on the Mars Exploration Rovers project, performing EDL reconstruction analysis and testing.