Rob is a nationally recognized educator, author, and clinician in vascular ultrasound. He has been in the field of noninvasive vascular diagnosis for more than 25 years. As a pioneer of many of the diagnostic protocols widely in use today, Rob has combined his extensive clinical experience with a dedication to teaching a no-nonsense, straight-foward approach to noninvasive vascular diagnosis. Mr. Daigle lectures internationally and extensively in the USA and is the author of Techniques in Noninvasive Vascular Diagnosis: An Encyclopedia of Vascular Testing. A Fellow of the Society of Vascular Ultrasound, Rob is actively involved with the Society of Diagnostic Medical Sonography (SDMS) and is chairman of the annual conference.