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Cardiology Fellows

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Christopher Barrett​ 

Chris is originally from California, and grew up in the Bay Area.  After completing his undergraduate degree at UC Davis in 2007, he moved to Spain and worked as an English teacher.  He later moved to Costa Rica, where he met his wife Alyssa.  He went to medical school at Jefferson in Philadelphia, then completed residency at Stanford prior to moving to Colorado for cardiology fellowship.  Chris is currently undifferentiated with regards to his career interests, but has strong inclinations towards heart failjre and transplant medicine.  In his spare time Chris enjoys surfing, snowboarding, hiking, fishing, and hanging out with his baby boy.  He is an big fan of football and basketball, and loves spending time watching his hometown teams - the Raiders and Warriors. ​

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Lukasz Cerbin​

Luke was born and raised in South Bend, Indiana. He attended undergrad at Indiana University in Bloomington where he studied biology and neuroscience. He then moved to Chicago for medical school at Northwestern University and subsequently matched into internal medicine residency at Duke University in Durham NC. There he fell in love with academic cardiology and advanced heart failure, which is his current career plan. He is interested in clinical heart failure research, particularly regarding decisions about advanced therapies, organ allocation for transplantation, and optimization of guideline directed medical therapy in patients with advanced heart failure. Outside of the hospital, Luke enjoys the great outdoors, indie music/films, and traveling.

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Daniel Huck

Dan was born in Denver and raised in Littleton, Colorado.  He studied physics and software engineering at the Colorado School of Mines.  He moved away from Colorado for medical school at the Cleveland Clinic Lerner College of Medicine and internal medicine residency at Albert Einstein/Montefiore in the Bronx, NY.  During his time away from Colorado he also worked for the NIH, served in AmeriCorps as a community health volunteer, completed an MPH, and lived in Uganda.  He is excited to be back in his home state of Colorado for fellowship.  He is currently interested in preventive and noninvasive cardiology but is keeping an open mind.  He has previously researched the accelerated atherosclerotic and vascular disease of those living with HIV.  Outside of work, he is an avid traveler and enjoys running, Ultimate frisbee, sailing, skiing and the outdoors.

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Stephen Matthews 

Stephen was born and raised in Madison, Wisconsin. He is the youngest of 4 children. He received his B.A while studying Physiology and Neuroscience from the University of Colorado - Boulder (Go Buffaloes!). He then moved to NY to complete a year of service as a patient advocate at Open Door Medical Center through AmeriCorps.  He then went on to get his MD at New York Medical College and completed his internal medicine residency at New York Presbyterian - Columbia. He is extremely excited to move back to the Rocky Mountains and is an avid sports fan - alliances to the Wisconsin Badgers, Green Bay Packers, Milwaukee Bucks and Brewers. He also loves the outdoors, and has been extremely fortunately to do a lot of international travel. 

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Stanley Swat

Stanley received his undergraduate degree from University of Illinois Urbana-Champaign and attended medical school at Rush Medical College. He completed internal medicine residency at McGaw Medical Center of Northwestern University in Chicago. His clinical and research interests are in heart failure: myocardial recovery, heart failure with preserved ejection fraction, and biomarker utilization. Outside of work, he enjoys exploring new restaurants, outdoor activities, and spending time with his wife. His clinical interest is Advanced Heart Failure and his research interests are Myocardial recovery, Heart failure with preserved ejection fraction, Biomarker utilization.

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​​Charles Tharp​

Charley was born and raised in South Denver. He attended college at Colgate University in upstate New York where he majored in molecular biology. Wanting to pursue research after graduation, he worked at the NIH in Bethesda, within the National Heart Lung and Blood Institute through the post baccalaureate IRTA fellowship. Charley returned home for medical school where he attended the University of Colorado School of Medicine. He stayed at University of Colorado for internal medicine training and as a chief resident. During residency, he continued research, studying genetic causes of cardiomyopathy which he plans to pursue in fellowship. Outside of the hospital and the laboratory, Charley spends as much time as possible climbing mountains, cycling, and skiing with his wife Nina.

Usman Akhtar

Usman grew up in Connecticut, but also lived in Canada and all over the Midwest and South as well. He attended college at New York University where he majored in biochemistry, was an Organic Chemistry teaching assistant, and a MCAT instructor for the Princeton Review. He attended medical school at Washington University St Louis School of Medicine where he became interested in pursuing a career in Cardiology. He completed his internal medicine training at the University of Texas Southwestern School of Medicine where he pursued research in visceral adiposity and its associated cardiometabolic risk. Outside of the hospital, he enjoys bouldering, cycling and travelling.​

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Ryan Cotter

Ryan was a military brat and has lived in 14 places in the US and Germany. Having been all over the country he experienced first hand that Colorado is the best place to live, so decided to move here for residency and stay for fellowship. His favorite parts of living here are the year-round outdoor activities (skiing, hiking, camping), the approachable and supportive faculty, and having access to all a big city has to offer without being stuck in a metropolis (he moved here from Manhattan). ​

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Aaron Emmons

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Justin Morrison

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Steve Simon

Steve grew up in Denver, CO prior to attending Cornell University, where he studied Economics. He moved back home to attend medical school at the University of Colorado. He then returned to the east coast for internal medicine residency and chief residency at Boston University Medical Center. His professional interests include sports and preventive cardiology as well as medical education. In his free time, he takes advantage of all Colorado has to offer by getting outside and escaping to the mountains with his wife and toddler.

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Aaron Strobel

Aaron is an Arkansas native and earned his undergraduate degree in Biological Engineering from the University of Arkansas. He attended medical school at the University of Arkansas for Medical Sciences, and then moved west and completed residency and a chief resident year in Internal Medicine at the University of Colorado. Aaron enjoyed his time in Colorado and decided to continue his training in cardiology at the University of Colorado. He is currently pursing research in peripheral artery disease interventions and outcomes. Aaron and his wife welcomed their first child, Everleigh, during his first year of fellowship. He enjoys spending time with his family and friends doing outdoors activities, drinking local Colorado beers, and spending time in the mountains. ​

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Minakshi Biswas

Minakshi was born and raised on the East Coast, spending most of her time in Massachusetts. She completed her undergraduate training at Wellesley College, followed by medical school and MedPeds residency at the University of Massachusetts, before traveling to Colorado for general cardiology training. In her spare time, she loves to spend time with her husband and Greyhound (named Dobby), enjoying the outdoorsy Colorado lifestyle, singing (mostly in the car!), and nature photography. ​


​Yonatan Bitton-Faiwiszewski

Shu Chang

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Jennifer Jarvie - Current Chief Fellow

Jen is a small-town girl who attended Colorado State University and the University of Colorado School of Medicine. During medical school, she developed a passion for prevention and research and was fortunate to spend a year as a Sarnoff Fellow researching cardiovascular disease prevention in women at the Brigham and Women’s Hospital in Boston. She went on to complete her residency in Internal Medicine at the University of California, San Francisco where she stayed on as faculty before returning to Colorado to complete her Cardiology Fellowship with combined Master of Science Degree. She is in her final year of training as a non-invasive cardiologist interested in prevention and how obstetric complications impact a woman’s future cardiovascular risk. When she’s not working, Jen likes to explore Denver, travel, or escape to the mountains with her husband and two children.​


Erin McGuinn

Kundai Tanganyika


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James Monaco​

Suneet Purohit

Suneet received his undergraduate and medical degrees from Boston University. He completed his medical internship and residency at the University of Washington. His clinical interests include advanced heart failure and echocardiography which led him to pursue a fellowship in advanced heart failure and cardiac transplantation. He and his wife live in Denver and enjoy all that Colorado has to offer with skiing, hiking, and being outdoors. 

Rory Bricker

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Aken Desai

Aken was born and raised in the Detroit area. He then went to the University of Michigan, where he graduated from the Ross School of Business (BBA) in 2007, the Medical School (MD) in 2011 and Internal Medicine residency in 2014. He then moved to Pittsburgh for his General Cardiology fellowship from 2014-2017, followed by his Interventional Cardiology fellowship at William Beaumont Hospital in Royal Oak, MI from 2017-2018. He briefly thought he would become an investment banker but came to his senses when a business school project had him working in a hospital. He is a die-hard Michigan fan and also likes to pretend he enjoys playing golf (poorly). He is very excited to spend a year in Denver and hopefully getting a chance to learn how to ski and take advantage of all the trails and hikes (as well as going to the breweries after said activities).

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Blake Fleeman

Blake is originally from near Chicago. He first came to the University of Colorado for internal medicine residency, before returning to Chicago for his cardiology fellowship. However, after being here once, he realized he couldn't stay away and moved back to Colorado again, this time for electrophysiology fellowship. While not ablating, Blake spends his time snowboarding, hiking, writing music and playing guitar, competing in obstacle course races, and playing obscure video games. He lives with his wife and son near city park.​

Nicolas Mantini

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Brian Miller

Alexis Tumolo

Andy Levy

Andy moved to Colorado with his wife & 2 kiddos after living and training in Chicago for 7 years. He is currently a 4th year "super fellow" enjoying the research life on a T32 NIH grant and plans to pursue an academic career in General Cardiology when he finishes fellowship. One of the things he likes best about our program is that even if you have non-traditional interests, you can carve a niche for yourself here. His favorite aspects of living in Colorado are the beautiful landscapes within an hour, the beer scene (!) and, of course, the mountains/skiing. He lives in Stapleton, which is an awesome neighborhood to raise little kids. After three years living in CO, he’s most surprised that he likes the summers more than the winters. Bears / Cubs for life. 

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Fahad Younas