You can contact Chet by phone at two-four-eight three-four-five seven-two-five-eight. If he doesn't answer, please leave a message with your callback number and he will get back to you as quickly as possible. (Maybe say your name and number a couple of times).
You can reach Chet by email at training AT hendricksonxp DOT com.
And, if you really have a lot of time on your hands, you can follow Chet on Twitter. His handle is chethendrickson.Follow @chethendrickson