Mark Galer is the Program Director and Senior lecturer at RMIT University in the School of Media and Communication, Australia. He is also co-writer of their popular online photography courses. He has lectured in photography in the UK and Australia and has worked commercially as a freelance photographer on corporate and editorial assignments. He has written numerous top-selling photography books, including Photography Foundations for Art & Design, the Popular Photoshop Elements; Maximum Performance and Photoshop; Essential Skills series. He is an Official Adobe Ambassador for Photoshop and Photoshop Elements. Philip Andrews is Adobe Australia's official Photoshop and Elements Ambassador. He is an experienced photographer, author, magazine editor and online course creator. He was previously a lecturer at the Queensland School of Printing and Graphic Arts, Australia and Nescot, England.

He is a beta tester for Photoshop, an alpha tester for Photoshop Elements and a Photoshop specialist demonstrator for Adobe Australia. Philip is also co-founder of photo-college.com an online photography training college. He's a regular contributor to several magazines including Shutterbug, Amateur Photographer, Australian Photography and Better Photography, he is senior contributing editor for Better Digital, columnist for What Digital Camera and Co-editor and publisher of Better Photoshop Techniques magazine.