"The truth the bookmakers don't want you to know"- Jonas Gjelstad - Professional Sports Bettor pt. 5 October 5, 2016 Episode 5: Follow professional sports bettor Jonas Gjelstad talks about the misleading marketing of bookmakers. You can watch the whole series of 6 episodes on the Trademate Youtube channel. become a pro I WANT TO IMPROVE MY BETTING Sign up with your email address to receive our latest articles and videos to help you improve as a sports trader. First Name Last Name Email Address Sign Up We respect your privacy. Thank you! Please check your email.