Dr. Mohiuddin is a Radiation Oncologist who is on staff at the Northwestern Chicago Proton center.  He is an expert in GRID radiation who has developed its technical aspects over the last 15 years and published the first ever proton-GRID clinical experience. He is the international clinical working group vice-chair on GRID/Lattice/Microbeam/Flash Radiotherapy under the National Cancer Institute (NCI) and Radiosurgery Society (RSS).  He also serves as an expert for the international consensus panel on the design of prospective clinical–translations trials in spatially fractionated radiation therapy, with a particular focus on sarcoma.