John Burdette Gage (born 1942) was the 5th employee of Sun Microsystems, where he is credited with creating the phrase "the network is the computer." He served as Chief Researcher and Vice President of the Science Office for Sun, until leaving on June 9, 2008 to join Kleiner Perkins Caufield & Byers as a partner to work on green technologies for global warming; he departed KPCB in 2010 to apply what he had learned "to broader issues in other parts of the world". He is also best known as one of the co-founders of NetDay in 1995.