Speak with the other investor, negotiate a buyout or negotiate exit terms and equity. I'm guessing you'd own 10% if you left after one year and left the rest un

Speak with the other investor, negotiate a buyout or negotiate exit terms and equity. I'm guessing you'd own 10% if you left after one year and left the rest unvested. You may need to risk a small chance of owning 40% of nothing to get this fair settlement. It's worth it. The worst thing you can do is stay. Any compromises you make for the greater good in hopes of getting past this and putting it behind you are likely to come back to bite you 9 out of 10 times. Cofounder conflict doesn't go away so easily.