“Looking back on nearly three decades in the tech sector, Peggy Johnson recalled how she and other women used to steer clear of leering colleagues by taking the long way to their desks, and how they felt pressured to laugh at inappropriate jokes in the office.

But during a panel discussion on sexual harassment and the role of gender in workplace power, held on Tuesday at the World Economic Forum in Davos, Switzerland, Ms. Johnson, an executive vice president at Microsoft, recounted with emotion how her daughter, who recently entered the tech industry, has a different attitude.

“She’s not laughing,” Ms. Johnson said.”