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Lindley Johnson

Lindley Johnson

Lindley Johnson

Lindley Johnson is NASA's first-ever Planetary Defense Officer. He previously held the title of Near Earth Object Programs Executive in the Planetary Sciences Division. Lindley was also formerly the Program Executive at NASA Headquarters for the EPOXI mission.

Latest Planetary Radio Appearance

It’s Asteroid Week with NASA’s Planetary Defense Officer

June 27, 2018 • 40:44

The dinosaurs regret their lack of a space program. 200 million years later, humans are gearing up to defend themselves from a species-ending rock.

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