Greta, now 74, discovered her mission at the age of 66. Since then, she has been freeing the world from the gray veil of age as a Youtuber and author.

The journalist and activist founded the Kabul Airlift, the first action of a civilian evacuation of people from an embattled country. The initiative has so far flown over 1,500 people out of Afghanistan.

The Paralympic champion and world champion in the 100-meter breaststroke wants to be a role model for people with disabilities and encourage others to make the most of every day.

The physician and founder is building the digital future of medicine. With her start-up Qunomedical, she has set herself the goal of giving everyone access to appropriate medical care.