In this episode, Contributing Editor Dr. Robert Hasserjian has a conversation with Dr. Siddhartha Jaiswal about a recent paper Dr. Jaiswal co-authored: “Aberrant activation of TCL1A promotes stem cell expansion in clonal haematopoiesis.”  Dr. Hasserjian is a professor of pathology at Harvard Medical School. He is also the director of the Hematopathology Fellowship Program at Massachusetts General Hospital. Dr. Jaiswal is an assistant professor of pathology at Stanford University School of Medicine. Dr. Hasserjian wrote about Dr. Jaiswal’s paper in his recent Diffusion article in The Hematologist. You can access his Diffusion article online at: https://ashpublications.org/thehematologist/article/doi/10.1182/hem.V20.4.202344/496652/Genetic-Background-Influences-the-Growth-of-CHIP Music: “Jellyfish in Space” Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 3.0 creativecommons.org/licenses/by/3.0/