John is an excellent teacher. Even though I have only had a few lessons with him, he has made a major impact on my playing. First, he improved my tone by carefully analyzing my fingernail shape and how I was striking the strings, and then showing me how to file my nails more effectively, The difference is tone was amazing. He then came up with new fingerings for some Bach and Borroso pieces I was working on that made difficult passages easier to play as well as more musical sounding. John also made other recommendations for phrasing and highlighting the melody lines, which came from his careful listening to my playing. Between lessons, he was available for lengthy email discussions and he send me PDFs of music I requested. Finally, John is very warm, personable, and approachable, and he offers critiques and recommendations in a matter-of-fact, generous manner that makes it easy to hear. He is also willing to share his own struggles with the classical guitar, which is disarming and reassuring. Oh-- and BTW he is an excellent player! I've loved listening to him play either live or in videos.