VCs and boards will look at this negatively. Their expectation is that you are 100% focused on the company they backed. By definition, you cannot be 100% focus

VCs and boards will look at this negatively. Their expectation is that you are 100% focused on the company they backed. By definition, you cannot be 100% focused on their company if you have two jobs. There are exceptions when companies are performing well and founders have an exceptional track record (see: Jack Dorsey square/Twitter, Elon’s multiple ceo roles, etc)