“Professional Martian” Dr. Tanya Harrison has worked as a scientist and mission operations specialist on multiple NASA missions to Mars, including the Opportunity, Curiosity, and Perseverance rovers, and the Mars Reconnaissance Orbiter.
Tanya is a respected Mars expert whose specialty lies in geomorphology: the study of a planet’s evolution based on its surface features. Dr. Harrison is also an advocate for advancing the status of women in STEM and for increasing accessibility in the sciences. You can find her prolifically tweeting about the Red Planet as @tanyaofmars.