Admin Chiefs

PGY 5 Admin Chief Residents

Maddy Thomas, MD
Madeline is a North Carolina native and got her undergraduate degree from Duke University. Since then, she has been making her way west and earned her medical degree in Chicago prior to starting general surgery training at the University of Colorado. She intends to pursue fellowship training in Trauma and Critical Care after graduation. You’ll often find Maddy at Barry’s Bootcamp, eating hummus at Safta, or traveling the world with her fiancé.

Sudheer Thomas, MD
Sudheer grew up in Atlanda, GA patiently waiting for the Braves to win the World Series. He earned his M.D. from the University of Virgina and moved to Denver to begin his general surgery residency. He spent two years in the lab focused on improving patient-centered care and surgical quality. Sudheer also served as co-president of the Housestaff Association. He enjoys cooking, traveling, skiing, and chasing his rescue dog, Charlie.

PGY 4 Admin Chief Residents

Bailey Lyttle, MD
Bailey was born and raised in Tennessee, where she attended Vanderbilt University and obtained her B.A. in Neuroscience. She then moved across the state to Memphis, earning her M.D. at the University of Tennessee and discovering her love of surgery at the Elvis Presley Trauma Center in the process (dining on plenty of barbeque between shifts). Bailey is an aspiring pediatric surgeon and completed two years of research collaborating with Dr. Kenneth Liechty, studying the effects of a novel nanoparticle delivered topically to improve wound healing. She is passionate about medical education, spearheading the surgical curriculum for the University of Colorado School of Medicine Transition to Residency course as well as a resident-led mentorship program for medical students interested in surgical specialties. Bailey loves exploring the mountains via hiking, climbing, backpacking, and skiing or spending a cozy day at home honing her gluten-free and high-altitude baking skills.

Otto Thielen, MD
Otto was born in Caracas, Venezuela and spent most of his formative years in Miami, FL. He earned both his undergraduate degree in psychology and his medical degree at the University of North Carolina at Chapel Hill. During residency, he spent 2 years as a T32 trauma research fellow investigating therapeutics for thromboinflammation after trauma, which led to multiple published manuscripts and national and international awards. Otto has also investigated outcomes for melanoma and esophageal cancer patients in hopes to pursue a career in surgical oncology. Outside of the hospital, he enjoys spending time with his family and friends, exercising, and spending time outdoors.

Research Admin Chiefs:

Nicolas Drysdale, MD
Nicolas went to medical school at Duke university before coming to the University of Colorado for his general surgery residency. Nicolas is interested in cardiac surgery and planning on specializing in congenital cardiac surgery. He currently works with Dr. Stone for research and is pursuing his PhD in clinical sciences. He has been married to his beautiful wife, Kenna, for 11 years and they have four children together. Nicolas loves to draw and paint, cook, and spend time outdoors or traveling with his family.

Caitlin Eason, MD
Caitlin (Cait) Eason is a North Carolina native, who went to the University of North Carolina for undergrad and medical school (go heels!). Cait is currently a research resident in the Derderian Lab, investigating the role of microRNAs in Fetal Growth Restriction and their use as potential biomarkers for Congenital Diaphragmatic Hernias. She is pursuing a career in pediatric surgery, with a special interest in fetal surgery. Cait recently had a baby girl! In her off time, she enjoys spending time with her family and friends, doing yoga and being outdoors.

Class Reps

PGY 3 Class Reps

Madeline Higgins, MD
Native to Colorado, Madeline pursued her undergraduate degree at the University of Colorado Boulder before delving into basic science research that brought her to Emory University in Atlanta. She then attended the University of Colorado School of Medicine, blending her Colorado roots with a dedication to patient care. Madeline enjoys savoring good food, exploring new destinations, reading fiction, and cherishing time with family and friends.

Andrii Khomiak, MD
Born and raised in Kyiv, Ukraine, Dr. Khomiak earned his medical degree from Bogomolets National Medical University and holds a PhD in surgery. After moving across the Atlantic, he began a general surgery residency at the University of Colorado. Drawn to the complexity and precision of hepatopancreatobiliary surgery, he has cultivated academic interests in pancreatic, hepatobiliary, and GI cancer, as well as outcomes-driven surgical research. During his research years, he served as the Department of Surgery’s Quality Improvement resident, followed by surgical oncology research with the Division of Surgical Oncology. He plans to pursue fellowship training in complex surgical oncology. When not in the OR or research meetings, Andrii recharges by carving Colorado’s ski slopes, getting lost in the mountains, or working through strategy on the chessboard.

PGY 2 Class Reps

Ahmad Hider, MD
A Michigan Native, Ahmad earned his undergraduate and medical degree from the University of Michigan, and his Master’s in Philosophy from the University of Cambridge. Prior to beginning residency, Ahmad served as a White House Intern in the Office of Science and Technology Policy and as a Clinton Global Initiative Scholar. His research focus is on improving surgical outcomes for transplant recipients and is featured in NEJM Catalyst, Nature Cell Biology, and the Journal of Cystic Fibrosis. He aspires to pursue a transplant or cardiothoracic surgery fellowship. Outside of medicine, Ahmad enjoys spending time with family, friends, and exploring all the beautiful scenery that Colorado has to offer.

Sruthi Ramesh, MD
Sruthi, originally from Michigan and raised between the U.S. and India, completed her undergraduate studies at Wayne State University and earned her medical degree from NYU. An avid solo traveler, Sruthi hopes to practice internationally, and is interested in endocrine surgery and global surgery. In her free time, she enjoys hiking, baking, knitting, and reading. If she hadn't pursued medicine, she would likely have been a party planner, a dream she still keeps alive in her spare time.

Intern Class Reps

Kaitlyn Dickinson, MD
A Coloradan through and through, Kate took a slight venture to South Dakota for her undergraduate and graduate degree in Biology and Biomedical Engineering before returning to Colorado for medical school. Passionate about research and a future academic career as a surgeon, she is ecstatic be at the University of Colorado for her general surgery residency with her bunnies Dr. Blizzard Hopkins, MD specialized in Loptology and Dr. Balsam Dickinson, DPT, a Hopologist by training.

Aaron Albuck, MD
Aaron is originally from Philadelphia, PA, and completed his undergraduate and medical studies at Tulane University in New Orleans, LA. After nearly a decade in New Orleans, he’s excited to join the PGY-1 class and start a new chapter in colorful Colorado. He is interested in pursuing a fellowship in Colorectal Surgery but remains open to other fields. Aaron has a strong passion for research, especially in Artificial Intelligence and Surgical Education. In his free time, he enjoys yoga, cooking, and cheering on all Philadelphia sports teams—Go Birds!