Richard Marsden has over 15 years of professional software development experience. After starting in the field of geophysics and oil exploration, he has spent the last ten years running the Winwaed Software Technology LLC, an independent software vendor. Winwaed specialize in geospatial tools and applications including web applications, and operate the http://www.mapping-tools.com website for tools and add-ins for Microsoft's MapPoint product.

Richard also manages the technical aspects of the EcoMapCostaRica.com project for the Biology Department at the University of Dallas. This includes the website, online field maps, field surveys, and the creation and comparison of panoramic photographs.

Richard is also active in the field of natural language processing, especially with Python's NLTK package.

Will Cadell is a principal consultant with Sparkgeo.com. He builds next generation web mapping applications, primarily using Google Maps, geoDjango, and PostGIS. He has worked in academia, government, and natural resources but now mainly consults for the start-up community in Silicon Valley. His passion has always been the implementation of geographic technology and with over a billion smart, mobile devices in the world it's a great time to be working on the geoweb.

Will lives in Prince George, Northern British Columbia, and when he's not writing code or talking about geographic web technology you can find him on a ski hill with his family.

Silas Toms is a GIS programmer with ICF International. His main professional interests are programming in Python and automation of large-scale environmental impact analyses. He has lived in San Francisco for 6 years while finishing a masters in GIS at San Francisco State University on temperature interpolation. He wishes to thank his girlfriend and his family for being supportive of his many interests.