Honestly, I'd talk about it now. It can really mess things up later if he thought he was going to have a bigger / smaller part than he was. Just make sure you'r

Honestly, I'd talk about it now. It can really mess things up later if he thought he was going to have a bigger / smaller part than he was. Just make sure you're on the same page, and then you can "make it official" later. How to start the conversation: "Lets talk about equity really quick before we start so we are both on the same page. I propose X and Y split. What are your thoughts?"