Krasimir Tzvetanov 4-th Dan.
He has been doing Aikido since 1982 and was one of the first people to introduce Aikido in Bulgaria. In 1990 he obtained 1-st dan during Shihan Fumio Toyoda's first visit in Bulgaria. In 1992, during Summer seminar of the International Aikido Association at Tenshikan Dojo - Chicago, the USA, he obtained 2-nd dan and received from the AAI jury the certificate for fukoshidoin- an assistant-instructor within the framework of AAI. He is one of the founders of "Oshinkan dojo" and its current chairman. In 1991 he took part in he National Seminar in Paris, under the lead by Sensei Tamura- 8-th dan and a personal student of Morihei Ueshiba, the creator of Aikido. Sensei Tzvetanov also participated in the European Congress of Aikido in 1992 in Brussels, Belgium as well as in a seminar that was held at the same time with Europe's greatest masters: Christian Tissier (France), Sugano Sensei (the person in charge of development of Aikido in Belgium), Assai sensei (Germany) and Kanatzka Sensei(UK). Another participant as a guest - instructor at the seminar was Moriteru Ueshiba - the O Sensei's grandson, currently a Doshu (the Way's Guard) after the death of his father Kishomaru Ueshiba. In 1997 at a seminar in Greece, Sensei Tzvetanov obtained 3-rd dan and received a certificate for shidoin - an instructor within the framework of AAI. Since 1999 he has been teaching Aikido at the Sofia University "St. Kliment Ohridsky". In the summer of 2001 he was invited by Aikido Senshu Kyokai to visit Japan on a month's training qualification course. During his second visit in Japan in 2002 he obtained 4-th dan.
Maria Tzvetanova 3-rd dan.
Tzvetanova sensei started training Aikido in November, 1987. Her first instructor was Georgi Penev sensei. Since 1991, her instructor has been Krasimir Tzvetanov. She obtained 1-st dan in 1997 during a seminar lead by Shihan Fumio Toyoda in Olshtin, Poland, and 2-nd dan in 2000 in Tendokan Dojo, Sofia during an international Aikido seminar. In November 2003 during an international Aikido seminar in Oshinkan Dojo, Tzvetanova sensei took the exam for third Dan grade.
Bojidar Prodanov 3-rd dan.
Prodanov sensei has been practicing Aikido since 1992 at "Oshinkan dojo". Sensei Prodanov obtained 1-st dan in July 1998 at a seminar lead by Shihan Fumio Toyoda, former President of the AAI. Since February 2000 Prodanov sensei has been an instructor at "Oshinkan Dojo" . He obtained 2-nd dan at an international seminar lead by Shihan Toyoda in May 2000 in Tendokan Dojo, Sofia. In November 2003, during an international Aikido seminar in Oshinkan Dojo, Prodanov sensei obtained 3-rd Dan.