Expert on diagnosis and endovascular treatment of cerebrovascular diseases. Includes device development and advanced imaging.
- Neurovascular endovascular therapy
- Second Clinic in the world to use the GDC coil in treatment of intracranial aneurysms
- Past President American Society of Neuroradiology
- Past president American Society of Interventional and Therapeutic Neuroradiology, now Society of Neurointerventional Surgery