Musculoskeletal Research Center - Staff



Patrick Carry, PhDPatrick Carry, PhD, is an Assistant Research Professor in the Colorado Program for Musculoskeletal Research. He completed his MS and PhD in Epidemiology at the Colorado School of Public Health. His graduate work focused on the longitudinal analysis of metabolomic, epigenetic, and transcriptomic biomarkers to understand the etiology of Type 1 Diabetes. His current research interests include using omics markers to understand the etiology of complex musculoskeletal disorders including scoliosis, concussion, and osteoarthritis. He provides methodological and analytical support for the MRC in the areas of randomized controlled trials, meta-analyses, biomechanical studies, quality improvement studies, and cohort studies based on large administrative datasets.

Phone: 720-777-6732

David Howell

David R. Howell, Ph.D., ATC, is the Lead Researcher at the Children's Hospital Colorado Sports Medicine Center and an assistant professor at the University of Colorado School of Medicine, Department of Orthopedics. He received his undergraduate degree from Whitworth University with a Bachelor of Arts in Athletic Training and completed his Ph.D. in 2014 in the Department of Human Physiology at the University of Oregon, with an emphasis in biomechanics and neurophysiology. From 2014-2017, he completed a post-doctoral research fellowship in the Division of Sports Medicine at Boston Children's Hospital focusing on clinical investigations of pediatric concussion. His primary research interests pertain to human movement analysis and sport-related concussions. Together with many colleagues and collaborators, he has presented at scientific conferences and published papers in peer-reviewed journals within the fields of sports medicine, biomechanics, neuroscience, rehabilitation, and pediatric medicine.

Deirdre Rafferty,  MS, ATC

Deirdre Rafferty, MS, ATC is the Research Program Manager for the Musculoskeletal Research Center. She received her undergraduate degree from California University of Pennsylvania with a Bachelor of Science in Athletic Training in 2010, and her Master of Science in Wellness and Human Performance from the University of Pittsburgh in 2011. After graduating from the University of Pittsburgh she went on to work in their injury prevention and performance optimization initiatives with Air Force Special Operations, embedded at Hurlburt Field, FL until 2015. She moved to Colorado near the end of 2015 and worked at the University of Colorado on projects related to the interaction of exercise and type 2 diabetes for almost 8 years before making the move to the MRC in 2023. Outside of work, she enjoys spending as much time in the outdoors as possible with her family.

Anna Monley, B.S.

Anna Monley, BS, is a professional Researcher with the Miller Scoliosis Lab. Anna graduated from the University of Colorado Denver in May 2015 with a Bachelor’s in Biology and has worked in the laboratory sciences in a wide variety of roles, with experience in clinical immunology and biobanking. She supports the Miller Scoliosis Lab in patient accrual for active basic science research projects, as well as regulatory maintenance and compliance.

Phone: 720-777-4626

David Howell

Andrea Rogers, MS, is the MRC Tumor Research Coordinator supporting Dr. Donaldson. She graduated from MCPHS University in 2016 with a degree in Health Sciences and a minor in Health Psychology, with her fourth year of study taking place in a full-time Doctor of Physical Therapy program. To complement her interest in orthopedics and holistic health, she then completed her Master of Science degree in Nutrition for Human Performance from Lasell College in 2018 after traveling to India to become a Registered Yoga Teacher. Before eventually joining the MRC in 2022, she worked on campus with an exercise science and endocrinology team researching novel weight loss protocols and the effect of exercise timing on metabolism. Her current research focuses on long-term outcomes associated with pediatric sarcomas and joint salvaging procedures. Outside of work, Andrea enjoys camping, rock climbing, reading, and cooking.
Phone: (720) 777-4871


Frank Somoza, A S

Frank Somoza, AS, is a Professional Research Assistant and Medical Assistant for the University of Colorado Denver. After proudly serving in the United States Navy and completion of his Associate degree in Medical Science at Denver Institute of Technology, Frank is currently working at the University of Colorado Denver in the Orthopedics department for the Adult Reconstruction Division. Frank also a part of the Staff Council, the Resident Research Committee, and the Musculoskeletal Research Center at Children's Hospital Colorado.

Phone: 303-724-2544

Research Assistants

Jordyn Adams, BA, Research Assistant Jordyn Adams, BA, is a Research Assistant in the MRC working with Dr. Selberg on the Hip Preservation Team. Jordyn graduated from Baylor University in December of 2021 with a degree in Sociology and a minor in Forensic Science. She joined the MRC in May of 2022. Jordyn is currently a master's student at the Colorado School of Public Health. In the last year of her undergraduate studies, she was a research assistant working in a collaborative for hunger and poverty of school-age children in Central Texas and the surrounding areas. Her current research focuses on disorders of the hip in pediatric populations. In her free time, Jordyn enjoys reading, cooking, wake-surfing, and watching scary movies. 

Phone: (720) 777-5262


Ava Baumann, BA

Ava Baumann, BA, is a Research Assistant for the General Orthopedics Department of the MRC. She supports Dr. Gaia Georgopoulos, Dr. Nancy Miller, and Dr. Margaret Murphy-Zane. Ava graduated from the University of Colorado Boulder in 2023 with a degree in neuroscience, and she hopes to pursue a career in pediatric medicine. Before her work in the MRC, Ava worked as a Medical Assistant at Boulder Heart and has additional experience working in neurology, pulmonology, and family medicine. Her current research focuses on pediatric hip dysplasia, clubfoot, and fracture trends. Outside of the Children’s Hospital Colorado, Ava enjoys live music, reading, and spending time with her dog Poppy.

Phone: 720-777-0484

Madison (Madi) Brna, BSEd

Madison (Madi) Brna, BSEd, is a Research Assistant in the Sports Medicine Center supporting all of the Primary Care Sports Medicine physicians as well as Dr. Howell and the Howell Concussion. She graduated from the University of Virginia in 2022 with a degree in Kinesiology. At the University of Virginia, Madi was heavily involved in sports concussion research and was a student volunteer with the UVa Sports Medicine team, working directly with UVa’s student-athletes. She is excited to expand her research beyond the world of concussion as a member of the Musculoskeletal Research Center. Outside of the Children’s Hospital Colorado, Madi enjoys watching sports, running, hiking, reading, and spending time with her dog Tabasco.

Phone: 720-777-0109

Tyler Feddema, Research Assistant

Tyler Feddema is Research Assistant in the MRC working with Dr. Garg and Dr. Erickson on the Spine Team. Tyler graduated from Rhodes College in May of 2022 with a BS in Neuroscience and was a four-year Varsity volleyball player. Tyler previously worked as a Medical Assistant at an OB/GYN clinic in Memphis, TN where she worked with uninsured patients of Hispanic, Hindu, and Arabic backgrounds. She completed a research fellowship in Neuroscience in 2021, where she researched the effects of acute stressors on the susceptibility to develop PTSD-like symptoms in mice and learned about the genetic differences in the development of other mental illnesses. Tyler is excited to work with the Spine team and help further research in pediatric spine and chest wall deformities. She hopes to pursue higher education in medicine later on. In her free time, Tyler likes to paddleboard, journal, and play pick-up volleyball games.

Phone: 720-777-5809

Claire Giachino, CHCOClaire Giachino, BA, is a Research Assistant in the Sports Medicine Center supporting Dr. David Howell and primary care sports medicine physicians. Claire Giachino graduated from The College of Saint Benedict in 2021 with a degree in Nutrition. She hopes to pursue a career in medicine. Claire has previously performed basic nutritional research on the gut microbiome and Irritable Bowel Syndrome and is excited to focus on researching pediatric orthopedic sports-related injuries as part of the Musculoskeletal Research Center. Outside of the Children’s Hospital Colorado, Claire enjoys hiking, cooking, and reading.


Andy Lalka, MPHAndy Lalka, MPH, is a Sr. Clinical Sciences Research Professional for the Pediatric Hand and Upper Extremity Program led by Dr. Sibbel. He attended the University at Buffalo, where he obtained a BS in pharmaceutical sciences. He then attended the University of San Francisco to complete his Master's in Public Health and assisted in population health research. His current focus is administrative database queries, research database management, and statistical analysis with the goal of making clinical research and clinical data aggregation more efficient.

Phone: 720-777-4620

Meredith Lewis, BAMeredith Lewis, BA,  is a Research Assistant with the Center for Gait and Movement Analysis supporting Dr. James Carollo and physicians collaborating with the CGMA. Meredith graduated from the University of Colorado Boulder in May 2020 with degrees in Cell Biology and Chinese and an undergraduate certificate in Public Health. After graduating from CU, she received a graduate certificate from the Johns Hopkins School of Advanced International Studies in International Politics; during that time, she studied at Nanjing University and National Taiwan University. Her previous research focused on health system innovations in developing economies. She hopes to pursue a career in public health research and administration. In her spare time, Meredith enjoys skiing, running, and playing music.

Phone: TBD


Florian Miller, BAFlorian Miller, BA, is a Research Assistant in the MRC working with Dr. Garg and Dr. Erickson on the Spine Team. Florian graduated from the University of Colorado at Boulder in 2019 with a degree in neuroscience with hopes to pursue higher education and a career in medicine. Before starting at the MRC in May 2021, he worked for a medical device company researching the use of virtual reality technology to alleviate pain in patients with chronic back pain. In this position Florian found a specific interest in spine and spinal cord injuries. His research focuses on treatment of spinal deformities in the pediatric. In his spare time, he enjoys baking, snowboarding, playing basketball, and watching science documentaries.

Phone: 720-777-8026

Scott Miller, BSScott Miller, BS, is a Research Assistant in the CGMA supporting Dr. De. Scott graduated from Oberlin College in 2017 with a Biology major and as a four-year Varsity basketball player. He has previously worked in a wet lab environment at UCSF in the department of Cardiology looking at the effects of genetic mutations on sudden cardiac arrest. He hopes to pursue a career in medicine. Scott primarily works with the Neuromuscular Disorders and Cerebral Palsy Program as well as the Amputee Program. He enjoys playing Basketball, Soccer, and other outdoor activities in his free time.

Phone: 720-777-0931

Rose Purtell, BS Rose Purtell, BS, is a returned Peace Corps Volunteer who is now a Research Assistant in the MRC supporting Dr. Julia Sanders and the Orthopedic Trauma Team. Rose graduated in May 2019 from the University of Arizona with a BS in Nutritional Sciences. In the last three years of her undergraduate studies, Rose volunteered as a Pediatric Emergency Medicine Research Intern where she collaborated with her team to develop a new method of quantitatively dating ecchymotic lesions. She hopes to continue her career in medicine to further develop her passion for research and global health. Her current research investigates improving outcomes for patients with traumatic orthopedic injuries.

Phone: 720-777-3895

Hannah Rossing, BA, Research Assistant

Hannah Rossing, BA, is a Research Assistant in the MRC working with Dr. Jay Albright. Hannah started at the MRC in April 2021 after graduating from the University of Colorado Boulder with a degree in Neuroscience. After working as an intern in the Neurology Department at Children’s Hospital Colorado, Hannah wanted to continue her passion for pediatric research. Her research in the MRC focuses on the treatment of ACL injuries and other sport-related injuries in the adolescent population. Outside of work, her passions are biking, snowboarding, and baking.


Sungmin Kim, BS

Kim Sungmin, BS, is a Research Service Professional supporting Dr. Klane White. She graduated from Sun Moon University in Asan, South Korea in 2020 with a bachelor's degree in Pharmaceutical Engineering. Her previous research focused on the effects of anti-cancer drugs on liver and lung cancer cells. Her current research focuses on skeletal dysplasia and spinal deformities in pediatric patients. Outside of work, Sungmin enjoys cooking, baking, working out, and traveling with her husband.

Email: Email:

Savannah Troyer, BA

Savannah Troyer, BA, is a Research Service Professional on the Surgical Sports Medicine Team supporting Dr. VandenBerg. She graduated from The University of North Carolina at Chapel Hill in 2022 with degrees in Psychology and Exercise & Sports Science. She hopes to pursue a career as a Physical Therapist and has a passion for mental health considerations for young athletes. She recently completed her 200-hour yoga teacher certification and has a dog named Cameron Diaz.

Phone: 720-777-4973

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