Listen, guys, I know it's not what you're looking for --- but that's my Sensei, and he is truly an excellent and dedicated aikidoka and teacher.
It's just that he also happens to be a professional fighter and UFC veteran, and has been working for years to show people that aikido really is effective.
The writing style's not to my taste, I'll admit, but Jason DeLucia's the real thing. If you're ever in Massachusetts, come visit our dojo. He comes across much better in class than on the web.