Peter Ly received his B.A. in Biology from Baylor University and earned his Ph.D. in Cancer Biology from UT Southwestern Medical Center. During graduate training with Jerry Shay and Woodring Wright, he studied how numerical chromosomal alterations known as aneuploidy can trigger malignant transformation. He pursued postdoctoral training at the Ludwig Institute for Cancer Research and University of California San Diego with Don Cleveland. His postdoctoral research focused on reconstructing the mechanisms of complex structural genomic rearrangements using centromere inactivation and chromosome-specific mis-segregation approaches in human somatic cells. He was named a Hope Funds for Cancer Research Fellow and was the recipient of the NIH Pathway to Independence Award from the National Cancer Institute. In 2019, Dr. Ly joined the faculty of UT Southwestern Medical Center as a CPRIT Scholar in Cancer Research and Assistant Professor in the Department of Pathology. He also holds a secondary appointment in the Department of Cell Biology and is a member of the Harold C. Simmons Comprehensive Cancer Center. He has been an active member of the American Society for Cell Biology since 2013.