| MEMBERSHIP | |
| 2008 | Honorary Member of China Sculpture Institute, Beijing |
| 2006 - present | Member of the Art & Architecture (A&A) – London, UK |
| 2004 - present | Member of the A.I.E.S.M., International Association of Monumental Sculptures Events |
| 2003 - present | Member of the International Kinetic Art Organization, USA |
| 1997 - present | Member of the Research Board of Advisors of ABI |
| 1993 - present |
Member of the ROYAL SOCIETY OF BRITISH SCULPTORS, London |
| 1991 - present | Member of the ISC, Washington, DC, USA |
| 1985 - present | Member of the UBA - Sofia |