Many—if not most—pathologists come out of training with little or no confidence in their knowledge about blood banking and transfusion medicine. That’s where Dr. Joe Chaffin—also known as the Blood Bank Guy—comes in. Through his Blood Bank Guy podcasts and videos, Dr. Chaffin is focused on educating pathology residents, practicing pathologists, and laboratorians on the basics and common misconceptions about transfusion medicine, as he explains in the CAPcast.