Bill Parker Author

Silas Toms is a long-time geospatial professional and author who has previously published ArcPy and ArcGIS and Mastering Geospatial Analysis with Python. His career highlights include developing the real-time common operational picture used at Super Bowl 50, building geospatial software for autonomous cars, designing computer vision for next-gen insurance, and developing mapping systems for Zillow. He now works at Volta Charging, predicting the future of electric vehicle adoption and electric charging infrastructure. Bill Parker is a GIS Professional with over 15 years of GIS and Python experience. He previously worked at ICF as a GIS lead on large scale environmental projects, using ArcPy to automate GIS analyses and map production. His project highlights include being the GIS lead for the Caltrain Modernization EIR/S, California High Speed Rail Project San Jose to Merced, and San Francisco to San Jose EIR/S. I have been in the field of GIS for 15 years and using ArcGIS products for just as long. I have been building custom ArcGIS applications for the desktop and browsers for 10 years. I am currently a software engineer at Esri working on the ArcGIS API for JavaScript, and before that worked in local government and freelance work. I keep current on almost all mapping technologies, from web based mapping tools to desktop data creation tools. I am also a huge fan of functional languages such as Haskell, Elm and PureScript. I have experience in .NET using C#. Python, and some C++. I know web technology, such as CSS, HTML5, plenty of JavaScript, multiple JavaScript frameworks, libraries and Node.