Dr. Siebert is currently an Assistant Professor in the Department of Family Medicine, practicing and teaching Sports Medicine, outpatient Family Medicine, and inpatient Family Medicine. He is the Associate Program Director for the Primary Care Sports Medicine Fellowship and a team physician for the University of Washington Huskies.

Dr. Siebert sees patients at the Sports Medicine Center at Husky Stadium and the Northgate branch of UW Neighborhood Clinics.

Outside of his clinical roles, he is involved in resident education and precepting as well as research.

He completed his undergraduate training at the University of Illinois at Urbana-Champaign, class of 2009. He received his medical degree from the University of Chicago Pritzker School of Medicine in 2013 and then moved to Seattle to begin his Family Medicine residency training at the University of Washington. He joined the American Medical Society for Sports Medicine (AMSSM) as a resident member in 2014 and graduated from residency in 2016. He completed his Primary Care Sports Medicine fellowship training, also at the University of Washington, in 2017. He is a member of the American Academy of Family Physicians (AAFP) and Alpha Omega Alpha (AOA) Honor Medical Society.

His current research interests include the epidemiology of sudden cardiac arrest (SCA) in athletes.