Dr Howard Rybko was born in Johannesburg, South Africa in 1956. He attended the University of the Witwatersrand where he obtained his Bachelor of Medicine and Bachelor of Surgery (MBBCh, University of the Witwatersrand) degrees. Dr Rybko also has a background in the medical software industry. After two years of research he went into his own practice, specialising in diet and weight management. He has an active interest in sport nutrition and performance, focusing on cycling, a sport that he is still actively involved in. Dr Howard Rybko is the author of The Decarb Diet and The Four Horsemen of Psoriasis.