He's the writer of GQ magazine, and the rolling stone. He edited The Goergetown Journal, founded by Conde Nast (the person not the company).
He was editor of Andy Warhol's Interview and member of his Factory. He featured as "the style guy". Glenn lives in New York City, and named by GQ magazine one of top 10 most stylish men in America.
In 2001, he released a book called "The Style guy" the same of his blog name.