I have been PGA Member since 1996. My credentials came from extensive research, my own experiences and constant drive to simplify the golf swing. I have studied the golf swing for 40 years. I have read almost every method published, studied hundreds of hours of video of the best players in the world. I have given thousands of private and group lessons over 20 years. I have spent many years improving on the many ongoing misconceptions about the golf swing. I currently have 80 Online Video Lessons available through DUPLESSISGOLF and also through the App Store for iPhone/iPad. I also analyze golf swing video sent to me through the internet. I have over 30 YouTube Golf Lesson drills available.