What skills will matter in an AI economy? Few things are certain, but one seems to be that cross-disciplinary builders are becoming more valuable. As machines automate the routine part of expertise, what stays scarce is a skill set now captured by the E-shaped professional. Strategist Sarah DaVanzo first articulated the idea in the early 2010s: The most valuable people combine depth in one field (expertise), curiosity across others (exploration), real-world exposure (experience), and above all,