Three days into his new job, after various roles leading industry machine learning divisions, the Pentagon's first permanent chief data and artificial intelligence officer is working to tackle his next challenge: "AI at scale with bureaucracy." Coming from Lyft, where he spent two years as the head of the rideshare company’s ML efforts, CDAO Craig Martell noted today that he’s no stranger to doing ML “at massive scale,” matching drivers, riders and destinations together, coordinating driver plans post drop-off and...