He is the author of the book "Weaving the Web". He is a director of The Web Science Research Initiative (WSRI), and a member of the advisory board of the MIT Center for Collective Intelligence. In April 2009, he was elected as a member of the United States National Academy of Sciences, based in Washington, D.C. In 1999, Time Magazine named Berners-Lee one of the 100 Most Important People of the 20th Century.