Andrew Turner is a neogeographer helping build the geospatial web. He is the CTO at GeoCommons, and also co-founded Mapufacture, which is building a system that makes it easy for people to build and share collaborative maps and customize their slice of the GeoWeb. He also develops a number of other open-source tools such as GeoPress, Mapstraction, and also wrote the book Introduction to Neogeography and Where2.0: State of the Geospatial Web for O'Reilly.

Brady Forrest is Chair of O'Reilly's Where 2.0 and Emerging Technology conferences. Additionally, he co-Chairs Web 2.0 Expo in San Francisco, Berlin and NYC. Brady writes for O'Reilly Radar tracking changes in technology. He previously worked at Microsoft on Live Search (he came to Microsoft when it acquired MongoMusic). Brady lives in Seattle, where he builds cars for Burning Man and runs Ignite. You can track his web travels at Truffle Honey.

Ben Lorica is the Senior Analyst in the Market Research Group at O'Reilly Media, Inc.. He has applied Business Intelligence, Data Mining and Statistical Analysis in a variety of settings including Direct Marketing, Consumer and Market Research, Targeted Advertising, and Financial Engineering. At O'Reilly, Ben works in the open source data warehouse and analytics area.

An ex-academic, he was an Assistant Professor at U.C. Davis and was the founding Department Chair for Statistics and Mathematics at C.S.U. Monterey Bay.

Roger Magoulas is the director of market research at O'Reilly Media. Magoulas runs a team that is building an open source analysis infrastucture and provides analysis services, including technology trend analysis, to business decision-makers at O'Reilly and beyond. In previous incarnations, Magoulas designed and implemented data warehouse projects for organizations ranging from the San Francisco Opera to the Alberta Motor Club.