I've seen cases where one absolutely non-technical partner takes 75% of the initial equity, tells the other not-so technical partner to find technical people an

I've seen cases where one absolutely non-technical partner takes 75% of the initial equity, tells the other not-so technical partner to find technical people and that her 25% has to be diluted if necessary to bring them in. That's a recipe for ending up with almost nothing if the firm ever becomes profitable after a round or three of investment.