Highly successful people possess a skill that helps them get and stay ahead, says a Harvard-trained executive coach: They listen with curiosity.

"It's really not that hard," Muriel Wilkins, co-founder of leadership consulting firm Paravis Partners, recently told the "Radical Candor" podcast. "Like, stop talking and listen and ask questions that are about the other person ... Listening is the biggest and the most underused skill that helps drive empathy, and a lot of other things as well."