I just have to put in my two cents on this topic...my first post and I get to talk about my first instructor, seems to fit. Anyway, his name is Rob Doley and I started training with him in about 1984. Back then, he taught a really neat mix of traditional Karate mixed with kickboxing...may sound odd but it was very good and very effective. To me, Rob was and still is, the quintessential instructor. He was firm but friendly. He taught discipline while having fun. The class was awesome with focus on technique and practicle applications. The was lots of sparring at varying degrees of speed and strength, depending on your level. The class was always lots of fun and a really great work out. I've had a few instructors since then, my current instructor is great too. I'm just getting back into training again after being out for several years due to back problems and he's been fantastic for me. My son is almost nine also goes to him and I can see him start to see in Sensai Dick what I seen in Rob. It's really good to see. Regardless of how many instructors someone has, I think the first one is always the biggest impact on you and stays with you forever. Just my thought.