David Pogue is the weekly personal-technology columnist for The New York Times and an Emmy-award-winning tech correspondent for CBS News. His funny tech videos appear weekly on CNBC. With 3 million books in print, he is also one of the world's bestselling how-to authors. In 1999, he launched his own series of amusing, practical, and user-friendly computer books called Missing Manuals, which now includes more than 100 titles.

Lesa Snider is an internationally acclaimed speaker and the author of Photoshop CS5: The Missing Manual. She writes a monthly column for Photoshop User, Photoshop Elements Techniques, and Macworld magazines. In addition, Lesa is a stock photographer and chief evangelist for iStockphoto.com, and founder of the creative tutorial site www.GraphicReporter.com. Lesa has recorded many training videos including “From Photo to Graphic Art,” “Practical Photoshop Elements,” “Photoshop Elements for Photographers” (all at www.KelbyTraining.com), and “Graphic Secrets for Business Professionals” (www.Lynda.com).

She teaches in the Denver/Boulder area for Mike’s Camera (www.mikescamera.com) and hosts her own European River Cruise workshop, “Digital Photography on the Danube” (www.photocruisewithlesa.com). She also speaks at conferences such as Photoshop World, Mac Computer Expo, Macworld Expo, Geek Girl Boot Camp, Santa Fe Workshops, and a slew of Mac User Groups (she’s a proud member of COMUG.com and NCMUG.org). You can email her at lesa@graphicreporter.com.