Dr. Demetrius H. Bagley trained at the University of Chicago under Dr. Edward Lyons, he is currently a professor of Urology and Radiology in the Department of Urology at Jefferson Medical College in Philadelphia. Dr. Bagley has devoted his career to the endoscopic management of urologic diseases.

Dr. Sonya Bettenay is an Australian trained veterinarian specializing in Dermatology and Feline Medicine. Formerly an Assistant Professor of Dermatology at Colorado State University, she now lives and practices in Munich, Germany.

June A. Boon is currently working at CSU Veterinary Teaching Hospital, she is a Cardiology Services Coordinator, performing cardiac workups including echocardiograms, auscultation, and electrocardiograms. She also teaches the veterinary medicine students, residents and interns echocardiography and its interpretation.

Dr. Dennis E. Brooks is a Professor of Ophthalmology at the University of Florida, College of Veterinary Medicine and a Diplomate of the American College of Veterinary Ophthalmologists.

Naomi L. Burtnick is a Certified Veterinary Technician and a member of the American Society of Clinical Pathologists.

Dr. Chrisman is Professor of Neurology and Chief of Neurology Services at the University of Florida, College of Veterinary Medicine.

Dr. Akhil Das is an attending urologist at Northwestern regional Hospital in Las Vegas, New Mexico. He served as Chief Urology resident under Dr. Bagley and completed a one year fellowship with Drs. Gilling and Fraundorfer, pioneers of Holmium laser prostatectomy. He is an active member of several medical societies and has published over 30 peer-reviewed articles and several urology textbook chapters. He has been the keynote speaker for Holmium Laser usage at workshops around the world.

Dr. M. Scott Echols is a graduate of Texas A & M University and a specialist in Exotic Pet Medicine and Surgery. His primary interest is in Avian medicine and surgery currently working in an Exotic/Small Animal practice in Austin, Texas.

Dr. Larry R. Engelking is a Professor of Physiology at Tufts University School of Veterinary Medicine and Tufts Medical School.

Sam Galvagno, D.O. is presently a United States Air Force flight surgeon for the 63rd F-16 fighter squadron at Luke Air Force Base, Arizona. He graduated from Mount Saint Mary`s College in Emmitsburg, MD with a B.S. in biopsychology in 1996. During this time, he attained certification as a Nationally Registered Emergency Medical
Technician-Paramedic, and worked for various advanced life support agencies in Maryland, Pennsylvania, and New York. He earned his medical degree in 2000 from the New York College of Osteopathic Medicine in Old Westbury, NY. At the time this text was completed, he was serving as an emergency medicine physician and general medical officer at Osan Air Force Base, Korea.

Dr. Ann Hargis is a graduate of Colorado State University and a full time Dermatopathologist with Dermatodiagnostics in Edmonds, Washington.

Dr. Anthony P. Knight is the Director of the Veterinary Teaching Hospital at CSU. He is an equine practitioner with a life long interest in Botany and plant toxicity’s and he has an international reputation.

Dr. Christopher Mariani, Associate Professor, University of Florida, College of Veterinary Medicine.

Dr. Peter S. MacWilliams is Professor of Clinical Pathology, at the University of Wisconsin School of Veterinary Medicine. His principal research interests are cytologic diagnosis of disease in domestic animals; application of laboratory tests to production enhancement; bone marrow responses to systemic diseases in cattle.

Dr. Fred L. Metzger founded and practices at the “Metzger Animal Hospital” at the State College in Pennsylvania.

Dr. Wallace B. Morrison is Professor of Veterinary Clinical Sciences and Director of Continuing Veterinary Education at Purdue University’s School of Veterinary Medicine.

Dr. Ralf S. Müller is an assistant professor of Veterinary Dermatology in the department of Clinical Sciences at Colorado State University, Fort Collins, Colorado. He is a diplomate of the American College of Veterinary Dermatology and a fellow of the Australian College of Veterinary Science.

Dr. Robert J. Murtaugh is the Northeast Regional Director of Veterinary Clinics of North America (VCNA), a Diplomate of ACVIM and a Founding Member of the International Veterinary Emergency and Critical Care Society.

Dr. Robert T. O'Brien was formerly a faculty member at the University of Wisconsin and is now in practice with Michigan Veterinary Specialists in Southfield, Michigan.

Dr. Timothy R. O’Brien is a founding member of the American College of Veterinary Radiology, and is a Professor at the University of California-Davis School of Veterinary Medicine Department of Surgical and Radiological Sciences.

Dr. Simon Platt The Animal Health Trust, Center for Small Animal Studies, Lanwades Park, Kentford, Newmarket Suffolk, England. Dr. Roger Clemmons, Associate Professor of Neurology, University of Florida, College of Veterinary Medicine.

Dr. Roy V. H. Pollock is President of the Fort Hill Company, in Montchanin, Delaware.

Dr. Marc R. Raffe is Professor of Emergency/Critical Care Medicine at the University of Illinois College of Veterinary Medicine, Department of Veterinary Clinical Medicine.

Dr. Alan H. Rebar is the Dean at Purdue University in the School of Veterinary Medicine.

Larry P. Tilley is a Diplomate of the American College of Veterinary Internal Medicine.

Richard G. Walter is a Botanist who has worked many years with Dr. Knight both clinically and on his research protocols.

Dr. Cynthia Webster is a professor of Small Animal Medicine at Tufts University.

Dr. Wayne E. Wingfield is Professor and Chief of Emergency and Critical Care Medicine at the Colorado State University, Department of Clinical Sciences College of Veterinary Medicine and Biomedical Sciences.