Marcus R. Kret, M.D., is a Colorado native and a University of Colorado – Boulder graduate. He attended the Chicago Medical School at Rosalind Franklin University of Medicine and Science in Chicago, IL where he was elected to the Alpha Omega Alpha Honor Medical Society. Following medical school, Dr. Kret received his general surgery training at Oregon Health and Science University in Portland, OR. During this time, he also completed a one-year research fellowship in vascular surgery that led to several peer-reviewed publications.
Dr. Kret completed his clinical fellowship in vascular and endovascular surgery at Stanford University, where he gained extensive experience in complex endovascular repair of thoracic and abdominal aortic aneurysms, including the use of branched and fenestrated technology. In addition, he received training in both open and endovascular therapies for carotid and lower extremity arterial disease, dialysis access creation and maintenance, as well as endovenous ablation for varicose veins.
When not treating patients, Dr. Kret enjoys spending time with his wife and two young children. He is an avid skier and is excited to introduce his family to the year-round outdoor activities that abound in Colorado.
Meet the cardiovascular team at Colorado Cardiovascular Surgical Associates
Dr. Sivaraman holds dual board certifications in general surgery and vascular surgery.
Dr. Sivaraman is committed to providing comprehensive care to his patients, specializing in all aspects of vascular surgery, with a special passion for carotid artery disease, advanced limb salvage techniques, and vascular trauma.
Dr. Danielle Sethi grew up in Michigan, where she attended the University of Michigan for her undergraduate degree. She went on to obtain her medical degree from Michigan State University College of Human Medicine, where she was awarded the Arthur L. Foley Endowed Memorial Scholarship for her commitment to preventive medicine and dedication to mentorship. She was also inducted into the Alpha Omega Alpha Honor Society.
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