Liya Kebede, a model, mother and philanthropist, has been named one of Time's 100 Most Influential People. Along with designer Marc Jacobs, who helms his eponymous line in addition to leading Louis Vuitton, the two are the only members of the fashion world to be included on the list of the world's most influential artists, leaders, thinkers and humanitarians.

Kebede was named one of 25 Heroes and was interviewed by designer Tom Ford, who gushed about the 32-year-old's work with the World Health Organization, the Liya Kebede Foundation and her recent appointment as Young Global Leader of the World Economic Forum.

"What is rare is to encounter one whose devotion and drive comes from a genuine desire to better our world," Ford wrote of the woman he's known for a decade. "Liya's work comes from a place of sincerity, and her beauty is much more than skin-deep."

Singer Victoria Beckham, the face of the Spring 2008 Marc Jacobs collection, talked up Jacobs, 47, who made the Artists list (which also featured fellow fashion innovator Lady Gaga).

Beckham wrote that, "Marc Jacobs is undoubtedly one of the most influential designers of all time. He has never followed fashion or trends; he follows his heart and sets trends."