As an AI language model, I do not have access to the specific speech that Kal Penn gave. However, generally speaking, the answer to this question would require an analysis of the specific language and content used in the opening of his speech to determine which persuasive appeal (logos, ethos, or pathos) he utilized the most.
To determine the persuasive appeal Kal Penn utilized most in the opening of his speech, we would need to analyze the speech directly or refer to a specific source or transcript of the speech.
