American Airlines Group Inc. has found its next top lawyer: Priya Aiyar, an Ivy League-educated Big Law partner and former acting general counsel of the Treasury Department. 

Aiyar joins AA’s Fort Worth, Texas-based legal department by way of Willkie Farr & Gallagher, where she serves as a partner in the firm’s litigation and global trade and investment groups in Washington. She plans to begin her new job next month.