Pat Dorsey has been guiding for more than twenty-five years and is the head guide and co-owner of the Blue Quill Angler fly shop in Evergreen, Colorado. He is a Simms Ambassador; a Fishpond Ambassador; a member of the pro staffs of Sage Elite, Orvis, Yeti, Whiting Farms, and Scientific Anglers; and the Southwest field editor for Fly Fisherman magazine. He also maintains an online stream report that monitors stream flows and conditions for the Blue, Colorado, South Platte, North Fork of the South Platte, and Williams Fork rivers. He lives in Parker, Colorado.