I emailed the professor about my interest in working with him. The next step is meeting with the professor to discuss your past experience. The professor will ask you a bunch of questions and I replied to those questions.

Interviewed with Dr. P, went over my experiences, more conversational than technical. Mostly to get my reasons for wanting to join the research. Overall a very good experience. I had many classmates in the research and I was referred by one of them as well