Eric S. Berens, M.D., FACS is a board certified vascular surgeon. He came to Tucson in 1992, after completing a fellowship in vascular surgery at Mayo Clinic in Rochester, Minnesota. Beginning in 1999, Dr. Berens was one of the first U.S. surgeons certified to perform endoluminal stent-graft repair of abdominal aortic aneurysms. In 1990, he served as instructor of vascular surgery at Washington University. He is published in the Journal of Vascular Surgery.

	Ronald A. Kline, M.D., FACS is a leader in the field of limb salvage vascular surgery and is one of only three vascular surgeons in the world recognized and accomplished in the area of vertebral artery surgery. He was recently named one of the country's top vascular surgeons by the Consumers Research Council of America. Dr. Kline holds a B.S. and M.D. degrees from the University of Pittsburg, where his thesis work is medical microbiology and mycology earned him the honor of Natural Science Division Scholar and he graduated Summa Cum Laude. During his residency and Vascular Surgery Fellowship at Wayne State University, he researched experimental treatments for ischemic stroke, blood substitutes, and the microcirculation of the brain. He also completed a Stroke Fellowship and helped establish the Stroke Unit at Harper University Hospital. Dr. Kline served as program director of Vascular Surgery at Detroit Medical Center and Harper University Hospital, director of the Limb Salvage Service at Harper University Hospital, and chief of staff at Southern Michigan Surgical Hospital. He has published extensively, in both peer review journals and textbooks, lectured widely, and produced a series of videos on vascular disease. Dr. Kline moved to Tucson from Detroit with his wife and daughter in 2004. Outside of medicine, his interest includes bonsai gardening, digital photography, astrology, cooking and raising koi.
	Christopher N. Compton, M.D. completed his fellowship in vascular surgery as the University of Pittsburgh Medical Center and residency in General Surgery at Case Western Reserve University. In 1992, Dr. Compton led a research team for the American Heart Association, investigating the effect of sepsis on the vascular system. His research led to the development of a new treatment protocol for septic patients. At the 2004 Society of Clinical Vascular Surgery annual meeting, Dr. Compton presented data demonstrating the safety of aortic aneurysm repair in high-risk patients with home oxygen-dependent pulmonary disease. Dr. Compton is widely published in the Journal of Vascular Surgery, Journal of Trauma, and the Southern Medical Journal and has written numerous textbook chapters. His area of expertise encompass all aspects of vascular care, including aortic aneurysms, carotid disease, peripheral vascular disease, hemodialysis access, varicose veins, venous thromboembolism and endovascular therapy.
	Ashlyn Dumais, RN, MSN, FNP-C Ashlyn Dumais, Board Certified Nurse Practitioner, has been practicing nursing since 1981 when she received her Bachelors of Science degree in Nursing at the University of Arizona. She moved to Cochise County in 2000 after completing her advanced practice nursing degree, a Masters of Science in Nursing at Arizona State University. She has practiced as a Critical Care Nurse, Trauma Nurse, and Rural Health Primary Care Provider. She has been an adjunct faculty member of the University of Arizona College of Nursing, Nurse Practitioner Program. She returned to Tucson in 2010 to join Arizona Endovascular Center and is pleased to be assisting with patient care in clinic and post surgery recovery.

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