I'd be looking for a NAA or NFAA certified level 3 or 4 coach. Unfortunately there is no directory on the NFAA website, but NAA has a directory.

http://www.usarchery.org/usarchery/index.cfm?ID=CCC35319-A0D0-417A-870376D0A1C16C89

You might want to call the NFAA headquarters to see if they can help you find a certified coach in your area as well. Good luck!!