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Current Fellows

Robert B. Rutherford Fellowship in Vascular Surgery


Senior Fellow

Dr. Jeniann Yi

Jeniann Yi, MD

Dr. Jeniann Yi grew up in Chicago, Illinois. She attended the University of Illinois at Chicago as part of the Guaranteed Professional Program of Admissions. As an undergraduate student, she studied abroad in London, UK, where she completed research in community health care resources and delivery for HIV patients. She finished her undergraduate career with a BA in anthropology and a BS in biology. She continued her education at the University of Illinois College of Medicine, graduating with her medical doctorate in 2010. As a medical student, she volunteered with the Asian Health Coalition of Illinois and completed cultural competency training research.

Dr. Yi then moved to Denver, Colorado for general surgery residency. During residency, she completed a two-year National Institutes of Health T32 research fellowship evaluating the effect of radiofrequency ablation in a murine liver injury model. As a research fellow, she received the American College of Surgeons Surgical Forum Excellence in Research Award and obtained a Masters of Science degree in clinical science. During her clinical training, she traveled to Brazil for a Global Surgery elective at the Hospital do Servidor Publico Estadual in São Paulo.

She will be the University of Colorado's vascular surgery fellow from 2017 to 2019. Her research interests include prevention of surgical readmissions, and she is currently working on a clinical trial to examine early outpatient intervention in high-risk patients.

In her spare time, Dr. Yi enjoys cooking, opera, musicals, reading, and international travel.



Junior Fellow

Dr. Sammy Siada

Sammy Siada, MD

Sammy Siada grew up in the suburbs of Detroit, Michigan. He moved with his family to Abu Dhabi, United Arab Emirates, as a teenager and completed high school there. He graduated magna cum laude from the University of Texas at Arlington and Honors College with a BS in Biology in 2009. He subsequently completed his medical education at the University of North Texas Health Science Center in Fort Worth, Texas, in 2013.

Dr. Siada then moved to Fresno, California, to complete his five-year general surgery residency at UCSF Fresno. Throughout his busy training, he authored publications on surgical outcomes and safety in the general surgery and trauma arenas and presented his work at several national surgical conferences.

In his spare time, he enjoys reading, traveling, cooking, and the great outdoors. Dr. Siada will be a vascular surgery fellow at the University of Colorado from 2018 to 2020.