Do you really need a full-time employee? I have found that a number of tasks on the implementation level of the organizational chart can be done by part timers. For example, I have part time people who make outgoing phone calls, who visit referral sources, and perform data entry. Depending on the type of business, you might even consider using a virtual assistant. You can outsource a number of things as well.
As mentioned previously, one of the most helpful things to understand as a leader is behavior and communication styles. There are a number of assessments available. As explained earlier, DISC is a very simple one, but has been very helpful to me and has been very helpful in getting my staff to communicate well with one another. Another one we use that is more comprehensive is the Birkman Method.
(Reference Pages 218 of the 5 Secrets of a Phenomenal Business Book by Howard Partridge)