Professional Organizations

	Bulgarian Union of Scientists, member from 1986
	ACM, New York, NY, USA - Member from 1990, founder and first chairman of the ACM Bulgarian Chapter
	OSC, Varna, Bulgaria - Member from 1992
	EAIE, Amsterdam, The Netherlands - Member from 1992
	LogMan Association - chairman from 1993
	ABE, London, UK - Member from 1993
	AFS, USA - member from 2003