Hello and welcome to My Self-defense Blog! My name is John Zimmer and I live in San Diego County, California, in the United States. My background is in Chinese Kenpo Karate where I studied with Richard Willett, initally with Tracy’s Karate. Tracy’s Karate in San Diego was later renamed to American Kenpo Karate.  I have attained the rank of a fifth-degree black belt in the American Kenpo Karate organization. I owned an American Kenpo Karate school in the in 1982 - 1983. Well now that is out of the way for now I would like to tell you what this weblog (My Self-defense Blog) is going to be about.

Full Story »