I'm a huge podcast fan, probably averaging two per day. I have learned that the audiences for podcasts are incredibly different and diverse, which often dictates the choice of guests. Additionally, the host of the podcast needs to have great chemistry with a guest to create a notable experience for a listener. For example, a forensic detective would be a fantastic guest on a true crime podcast hosted by a true crime fanatic, but not necessarily on a lifestyle podcast hosted by a fitness influencer. In order to answer this question, I would need more information about the host's personality and interests, as well as the audience they are trying to attract.