Walter received his BA in physics from Florida International University in Miami, Florida in 2011. He stayed at FIU and completed his PhD in chemistry under supervision of Dr. Jaroslava Miksovska in 2016. He then moved to Pasadena, California to pursue postdoctoral training in systems neuroscience under supervision of Dr. Carlos Lois. In January 2023 Walter moved to San Francisco to start his laboratory at the University of California San Francisco in the Department of Physiology.