- IRSCA ( Institutul Roman pentru Studii si Cercetari Avansate) Gifted Education, Bucharest, Romania

- IAA (International Association of Arts) UNESCO, Paris, France

- Berufsvereinigung der Bildenden Künstler Österreichs, Landesverband Steiermark, Graz, Austria

- Member of “Al Nafetha” (The Window) Center for Artists’ Books & Book Art, Egypt

- Korea Book Art Association, Seoul, Korea

- Free International Artists, Bergamo, Italy

- A.D.A.P.I. International Artists Association, Buenos Aires, Argentina

- A.C.E.P. Associazione Autori Compositori e Piccoli Editori, Rimini, Italy

- Romanian Union of Artists Satu-Mare

- Founding member and president of the “d.fleiss & east-west artists e.V.” Professional Artists Association, Stuttgart, Germany

- TANSSIGNUM, Professional Artists Association, Paris, France

- European-Liaison “TransCultural Exchange” Boston, USA