If he has a board seat, then yes, he should have some say here. But it's really unlikely that he has a board seat. An early stage investor has very little auth

If he has a board seat, then yes, he should have some say here. But it's really unlikely that he has a board seat. An early stage investor has very little authority over what a startup does. At best, they may have some advisory influence with the founders, if the founders care about having a good relationship with the investor. But usually, that's about it.