“According to Wintour, it was Karl Lagerfeld — specifically, a talk Lagerfeld gave a year ago about his role as creative director of several fashion houses, including Chanel — that gave Conde Nast CEO Charles Townsend the idea of promoting Wintour to her current role overseeing several other titles. To date, neither Conde nor Wintour have ever publicly detailed what her role is, though she has made some notable personnel changes — firing and installing new chief editors at Lucky and Traveler — and had influence over the cover choices for those magazines. (She’s said to have far less influence at titles where more powerful editors are installed, such as Vanity Fair and The New Yorker.)”
In the article she mentioned about her biggest influence growing up and why print is still very much important.
Read more here at Fashionista.