Here you go.. the trainer is one of the writers of the official CISM book. I don't think you can get any better than this. CISM PREP Exam LIVE Online Tutoring
Not sure which mr. Google you used because when I search I see many hits for all sorts of CISM training. Anyway, there was a recent discussion about this on a LinkedIn group and many recommended the Megamind training. Seems to be the go to.