Mitch taught a Certified Scrum Master class that I attended. The attendees varied from no Scrum experience to a lot of Scrum experience and he was able to adjust his content to fit. Mitch doesn't lazily present his material slide after slide. He shows up with a strong passion for how to do things right. He uses a ton of "in the trenches" anecdotes and data points. He actively listed to questions that the class asked and when it seemed that we didn't collectively grok an important point, he tried to figure out a new way to illuminate us. I think Mitch is especially appropriate for teams that have Scrum doubters, since Mitch is a tenacious Scrum evangelist.
Josh Pepper, Senior Program Manager, Bing Local, Microsoft, March 2013