Karim Valji, MD, FSIR, is a UW professor of radiology and former chief of interventional radiology at the University of Washington in Seattle. He received an A.B. degree from Harvard College and MD degree from Harvard Medical School. He trained in diagnostic radiology and interventional radiology at the University of California, San Diego before joining the faculty of that institution in 1990. In 2007, he moved to the University of Washington. Dr. Valji has authored more than 80 scientific papers and given close to 300 invited lectures in the US and around the world. He is particularly recognized for his work on thrombolysis and dialysis access interventions. His current clinical interest is venous sampling for endocrine disorders, particularly for patients with hypertension and hyperaldosteronism.

He was editor-in chief of the Journal of Vascular and Interventional Radiology from 2001 – 2005. He is the author of three books (including The Practice of Interventional Radiology) that have become standard texts in the field. Dr. Valji has been included on the Best Doctors in America list for most of the last two decades. His outside interests include travel, working out, theater (pre COVID) and reading works about human cultures and history.