Updated- After posting this review I was contacted by the owner of GB. He refunded my money and apologized for the communication issues. I appreciate his response, but it shouldn't take a bad review to make it happen. I have increased my rating from 1 star to 3 stars as a result.
My son took classes at GB for several months and we enjoyed the experience. The problem started after we left. Two months after the contract was cancelled they have continued to auto-charge me for the monthly tuition. I have tried to call, text, and e-mail repeatedly and no one will respond to me. I cannot recommend doing business with a company that steals from their customers.