Why does speaker say "there's" here? I think it should be "there are" because he says about two people.
The speaker uses "there's" in this context because even though there is a plural amount of people, he is not referring to the number of people, but to each of their names which are proper nouns. So since he is referring to their names, it is okay to say "there's" or "there is". Each of these names are also separated by the conjunction "and", which indicates that "there is" refers separately to each name. Ex: There's Sarah and Michael in that group. Ex: There is a girl and a boy.
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