The 50 most powerful people in networking

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As chairman of the Wi-Fi Alliance, Eaton shares his longtime passion for wireless technology to make sure enterprise users can get secure, interoperable products. (See his profile.)

46. Diane Greene, president and CEO, VMware

EMC's mid-December acquisition of VMware stands as testament to the vendor's lead position in making server virtualization software. Greene, VMware's founding chief, will continue guiding the company's efforts when it becomes an EMC software subsidiary in the first-quarter 2004. VMware counts 5,000 corporate customers worldwide - 80% of the Fortune 100. No newbie, Greene has been in the tech industry for 20 years, learning the ropes at Silicon Graphics, Tandem and Sybase, and serving as CEO of a company she co-founded - streaming software maker Vxtreme (purchased by Microsoft in 1997).

47. Hugo Haas, Web services activity lead, World Wide Web Consortium (W3C)

Standards progress is a key factor in corporate adoption of Web services technology, and Haas is committed to the cause. As the leader of the W3C's Web services activity area, he oversees four working groups: the Web services architecture working group, which is responsible for identifying requisite Web services technologies and explaining how they fit together; XML protocol working group, which is developing an XML-based messaging framework; Web services description working group, which is designing a language for describing interfaces to Web services; and Web services choreography working group, which is designing a language to compose and describe the relationships between Web services.

48. Henning Schulzrinne, associate professor, Columbia University

If the network industry were a building, Schulzrinne would be considered one of its master masons. Through years of leadership roles at the IEEE and, more recently, the Internet Engineering Task Force, Schulzrinne has crafted or influenced many protocols. He is lately known for his work on Session Initiation Protocol, such as examining the interworking of SIP and H.323. Schulzrinne has an incredibly long list of achievements to his name: awards, patents, fellowships and technical committee chair roles. He has published countless papers covering dozens of protocols and technologies, and currently shares his wisdom with computer science and electrical engineering students at Columbia University.

49. Scott Hazen Mueller, chairman of the Coalition Against Unsolicited Commercial Email (CAUCE) and operator of

By day, Mueller is a senior systems administrator for California State University. By night, as CAUCE chair, he is one of the superheroes of the anti-spam movement. CAUCE, which claims 30,000 members, lobbies Congress (and state congresses) on behalf of the folks on the receiving end of spam. It does so via analysis and position papers on pending legislation, letters to elected officials, coordination with other anti-spam groups and, at times, asked-for advice - such as participation in the Federal Trade Commission's three-day anti-spam workshop held in April.

50. Harry Weller, partner, New Enterprise Associates

An up-and-comer at the network industry's most powerful venture capitalist firm, Weller landed a seat on the board of telecom industry shaker Vonage. This when NEA orchestrated a $35 million investment, including $12 million in NEA funds, in the voice-over-IP carrier. Weller also sits on the board of SourceFire, a security monitoring software start-up. This is Weller's second stint as a venture capital partner. In his prior gig at FBR Technology Venture Partners, he took part in funding other enterprise technologies, from handheld software to WebMethods, which went on to become a model for Internet boom IPOs.

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