Lesa Snider is an internationally acclaimed speaker and the author of Photoshop CS5: The Missing Manual and coauthor of iPhoto '11: The Missing Manual. She's the Advanced Photoshop professor for the international design school Sessions.edu, and 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 GraphicReporter.com. Lesa has recorded many training videos including "Photoshop Elements 9 for Photographers", "Power of iPhoto '11" (all at creativeLIVE.com), "From Photo to Graphic Art," "Practical Photoshop Elements," "Photoshop Elements for Photographers" (KelbyTraining.com), and Graphic Secrets for Business Professionals.

She teaches in the Denver/Boulder area for Mike's Camera and hosts her own European River Cruise workshop, Digital Photography on the Danube. 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).