If someone proposed a deal with me to control 60% of my company and I had the remaining 40% is that a good deal considering my company not bringing in enough revenue? Included in the deal are resources to media equipment and business training to help me become a stronger salesmen.
There is no right answer, it depends on where in the cycle you are in. Bill Gates ended up with just 31% of Microsoft by the time it went public.
But in an early stage, you want to give as little as possible and keep as much of the voting stock as possible