Terms aside, I would be careful about making judgements of whether you want to cofound a company with someone within the span of a few weeks-a month, not sure y

Terms aside, I would be careful about making judgements of whether you want to cofound a company with someone within the span of a few weeks-a month, not sure your exact timeline here. People can be very charismatic when you have the ability to build what they want and they want you to make them money. Also what do you need a chairman for that the CEO can't do?