John Blake Campbell, MD

John Blake Campbell is emeritus Director of Pediatric Radiology in the Department of Radiology at Arnold Palmer Hospital for Children in Orlando, Florida. He has been a practicing pediatric radiologist for over 30 years, first as Chairman of Radiology at the Denver Children’s Hospital, from which he was recruited to the new Arnold Palmer Hospital […]
Jim Baun, BS, RDMS, RVT, FSDMS

Jim Baun is a pioneering clinical and academic sonographer who has been practicing and teaching since the early days of the profession. Jim began his career at the University of Toledo Medical Center when ultrasound equipment was powered by vacuum tubes. Since then he has served on the faculties and advisory councils of numerous sonography […]
James A. Zagzebski, PhD

Dr. Zagzebski is Professor and Chair of the Department of Medical Physics at the University of Wisconsin and the author of Essentials of Ultrasound Physics. In addition to his teaching, research, and writing, Dr. Zagzebski has lectured widely over the years, helping thousands of registry candidates pass their physics exam.
Hui Gao, MB, RDCS, (AE, FEc, PE)

Hui Gao is Technical Director of the IAC-accredited Echocardiography Laboratory at Children’s Hospital Los Angeles (CHLA). She earned her bachelor’s degree in medicine from Capital Medical University in China. Joining CHLA in 1999, she has always taken a keen interest in pediatric echocardiography, organizing eight highly successful symposia focusing on the echocardiographic evaluation of pediatric […]
Gary R. Gruber, Ph.D.

For over 40 years, Dr. Gruber has been recognized nationally as the leading expert on standardized tests and originator and developer of the critical-thinking skills necessary for use on them. It is said that no one is better at assessing the thinking patterns of “how” a person answers questions and providing the mechanism to improve […]
Gail P. Size, BS, RPhS, RVS, RVT, FSVU

Gail Size has 33 years of technical and managerial experience in both clinical and private vascular laboratories. She is the founder and president of Inside Ultrasound, Inc., a provider of Basic Training in Noninvasive Vascular Testing and Vascular Interpretation for Physicians and vascular accreditation. Currently, Gail is serving as the Chair for the Society of […]
Frederick W. Kremkau, PhD

Professor and Director, Center for Medical Ultrasound, Wake Forest University, School of Medicine, Winston-Salem, NC.
Edward G. Grant, MD

Dr. Grant is Professor of Radiology and Chair of the Department of Radiology at USC School of Medicine in Los Angeles. An internationally recognized lecturer, Dr. Grant has written 227 scientific papers and articles, edited four books, and 33 book chapters. He has been active in developing the ICAVL, AIUM, and ACR ultrasound accreditation programs, […]
Donna Kelly, RPhS, RVT, RDMS

Donna Kelly is a vascular sonographer with over 28 years of experience. She is currently the technical director of the Middlesex Surgical Associates vascular laboratory as well as a per diem technologist at Massachusetts General Hospital. The majority of her career has been focused on venous disease while working in a dedicated venous vascular lab […]
Donald P. Ridgway, RVT

Don Ridgway is a practicing vascular technologist and an instructor in the vascular technology program at Grossmont College in California, where he was responsible for seeing that program become the first vascular technology curriculum to receive American Medical Association accreditation. Don brings teaching skills from several different disciplines and areas of experience: He has taught […]