Randall Bell is a person who studies how things like disasters, accidents, and other big events can affect people and places. He thinks about how people react to these events and how they can bounce back from them. Imagine if you drew a picture and then accidentally spilled some juice on it. Randall Bell would help you think about how to fix the picture and make it look good again. He is like a helper who makes sure things turn out okay after something bad happens.