ViewRay, Inc. designs, manufactures, and markets the MRIdian MRI-guided Radiation Therapy System. It develops MRIdian to address the limitations of existing external-beam radiation therapy technologies and employs MRI-based technology to provide real-time imaging that defines the tumor from the surrounding soft tissue, and other critical organs, both before and during radiation treatment delivery. The company was founded by Dinara Akzhigitova in 2004 and is headquartered in Oakwood Village, OH.