The future is always the future...don't tie anything to where you expect to go. Some stock should be the first two ppl in your stock option plan which should be no more than abt 5 percent. You need to keep as much equity as you can and if you're paying them and pretty well be satisfied with that...a lot of companies offer more stock if they can't pay. You can always do a lower buy in, faster vesting etc to incentivize them but keep the actual minimal as you never know what future holds