Isaac is after the grand slam in the brown belt featherweight division and he’s close to get it. He’s been dominating in 2015 with gold medals at the European, Pan and Brazilian Nationals. Now he’s after the fourth gold medal in Long Beach to probably close his cycle in the brown belt division. A devoted student of four-time world champion Rubens Cobrinha in Los Angeles, Doederlein has all the tools to make it big on the next level.

Full article here:  http://www.graciemag.com/2015/05/2015-worlds-6-upcoming-talents-you-need-to-watch-for-in-long-beach/