Author of "Mastering Microsoft SharePoint Foundation 2010", a followup to her successful "Mastering Windows SharePoint Services 3.0" book, CA Callahan is a frequent speaker at industry events, such as Windows Connections and various SharePoint Saturdays. Callahan has been a Microsoft Certified Trainer for over a decade, and is the owner of CallahanTech, a training and technical writing company specializing in custom courses and material, both online and in-person. In 2009 and again in 2010, Callahan was awarded the SharePoint Services MVP for her contributions to the community. You can reach her online at http://servergrrl.blogspot.com or on Twitter at @cacallahan. She also has a Facebook group to interface with attendees and readers concerning past and upcoming events, both in-person and online, at: http://www.facebook.com/groups/callahanSPF.