All advanced katas of the Wadoryu Karate: Naihanchi, Kushanku, Seishan, Chinto, Wanshu, Rohai, Bassai, Niseishi, Jitte, Jion. Roberto Danubio holds the rank of 6th Dan Wadokai and president as well as chief instructor of the Swiss Wadokai Karatedo Renmei (SWKR). He enjoys a good reputation to be one of the most outstanding technicians in Wadoryu Karate in Europe. The teachers who influenced him the most were Teruo Kono (Germany), 8th Dan, and Shingo Ohgami (Sweden), 8th Dan. To his further teachers belong Hideo Takagi (Japan), 8th Dan, and Toru Arakawa (Japan), 9th Dan JKF.