He fights out of Team Golden Glory in Breda, Netherlands under Cor Hemmers. After a couple of years Dekkers started practicing Muay Thai under Cor Hemmers. He joined the Golden Glory's K-1 stable, training under Cor Hemmers. He trains at Team Golden Glory in Breda under Cor Hemmers. Cor Hemmers was born in Breda, the Netherlands, on 24 August 1956. In 1976, Hemmers began competing in full contact karate. In 1976, Hemmers started competing in full-contact karate. In 1990 Hemmers also started a Promotion Company called Oriental Fight Promotions. From January 2016 Hemmers is the Managing Director Sports of GLORY Sports International.