Dr. Yoo is currently a diagnostic and interventional neuroradiologist, Medical Director and Director of Endovascular Fellowship & Research at the Texas Stroke Institute. He has participated as an investigator or as the core imaging laboratory in several major trials of intra-arterial stroke treatment, including MR CLEAN, THERAPY, MR RESCUE, DAWN, ARISE II, and GOLIATH trials, as well as the MR WITNESS study of intravenous alteplase in wake-up strokes. He has authored and co-authored numerous research papers on peer-reviewed journals including consensus recommendation statements on behalf of the Stroke Treatment Academic Industry Roundtable and the Stroke Imaging Repository Consortium, and is on the editorial board of the Journal of Neuroimaging. He continues to feel energized by improving the care of patients with stroke and neurovascular disorders.