Big companies deal with this too. The solution is golden handcuffs - create a vesting or well-defined bonus schedule that incentivizes them to stick around. At

Big companies deal with this too. The solution is golden handcuffs - create a vesting or well-defined bonus schedule that incentivizes them to stick around. At the very least, offer them a signing bonus that they have to return if they leave of their own volition in less than a year