Dr Grieshaber is a native New Orleanian. He completed his undergraduate education at Lousiana State University in Baton Rouge where he received a Bachelor of Science in Biology. He attended medical school at Louisiana State University in New Orleans where he graduated in 2009. Dr Grieshaber then completed his residency in anesthesiology at Ochsner Clinic Foundation. He then completed a fellowship in Pain Management at the Cleveland Clinic in Cleveland, OH.