Glyn Dewis is the author of The Photoshop Workbook: Professional Retouching and Compositing Tips, Tricks, and Techniques. He is a professional photographer, retoucher, and trainer based in England. Glyn photographs and retouches for national and international clients, including the BBC, Sky TV, and Air New Zealand. Glyn is a Photoshop World Dream Team Instructor, KelbyOne Instructor, and Adobe Influencer. He also teaches his own series of workshops, provides one-on-one coaching, and teaches at events around the world. See his work at glyndewis.com, and find his wildly popular videos on his YouTube channel at, youtube.com/GlynDewis.