Ayman Saleh, CEO of Chronicle Labs (YC P26) I’ve spent my career building at the edge of engineering, from working at NASA JPL on programs including the James Webb Space Telescope and the Mars 2020 Perseverance rover to later leading engineering at FlightWave. When Perseverance landed on Mars, it crystallized something for me: I wanted to spend my life building, so I left my graduate program at Stanford, and eventually led me to found Chronicle Labs.