Gretchen Watkins, the former CEO for Maersk Oil, is expected to begin overseeing energy giant Royal Dutch Shell's growing U.S. business, Bloomberg reports.

Why it matters: This is the latest development for female executives being promoted to "oversee marquee U.S. assets," after the oil industry has been largely dominated by men. There's still a long way to go, however, as 80% of industry workers are men and there's a significant wage gap.