A complete professional.
His "other job" entails commercial installs at airports. So, he as all the required resources and know-how. If you want your job done to code, responsibly and on time, this is the guy to go with.
He gives the right recommendations when you can cut corners to save a few bucks, as well as when to increase the scope to get you the result you'll be glad for in the future.
Book with full confidence.