Membership (56, including 45 active)

Professional Societies and Organizations (14)

	International Astronomical Union: Divisions B, C, G, J; Commissions B2, B3, C4, D-G-H-J	IAU	1997
	European Astronomical Society	EAS	1994
	Euro-Asian Astronomical Society	EAAS	1996
	International member, American Astronomical Society	AAS	2006
	Astronomical Society of the Pacific	ASP	2001
	European Physical Society	EPS	2001
	“Euroscience” organization	ES	2001
APS	Armenian Physical Society	APS	2001
	Founding member, Armenian Astronomical Society	ArAS	1999
	European Society for Astronomy in Culture (SEAC)	SEAC	2012
	International Scientific Society “Information Theories and Applications”	ITHEA	2010
	Society of Modern Astronomy	SoMA	2014
	International Society for Science and Civilization on the Silk Road	ISSCSR	2017
ВАГО	All-Union Astronomical-Geodetical Society	VAGO	1987-1991

Committees and Councils (33)

		President (2001) and Co-President (Acting President, since 2002), Armenian Astronomical Society		ArAS		2001-
		Acting President, Armenian National Committee for Astronomy		IAU NCA		2014-
		Executive Council, Euro-Asian Astronomical Society		EAAS Exec		2002-
		Vice-Chair, Euro-Asian Astronomical Society		EAAS Exec		2015-
		Executive Committee, International Virtual Observatories Alliance		IVOA Exec		2005-
		Council, International Planetary Data Alliance		IPDA		2013-
S R E A C		Council, Sub-Regional European Astronomical Committee		SREAC		2005-
		Board of Directors, Astronomy & Astrophysics journal		A&A		2018-
		Program Committee, EU H2020 for Space		H2020 Space		2017-
		Executive Committee, IAU WG “Global Coordination of Ground and Space Astrophysics”		IAU WG		2018-2021
		Organizing Committee, IAU Com. #9 “Astronomical Instruments”		IAU Com. #9		2003-2006
		IAU Com. #5 WG-TG “Preservation and Digitization of Photographic Plates”		PDPP		2003
		IAU Com. #5 WG “Astronomical Data”		WGAD		2008
		IAU Com. #41 WG “Astronomy and World Heritage”		WGAWH		2008-
		IAU Com. #41 WG “Archaeoastronomy and Astronomy in Culture”		WGAAC		2014
		International Bureau, Euro-Asian Astronomical Society		EAAS IntBur		2002-
		Management Committee member, H2020 COST Action TD1403 BigSkyEarth		BigSkyEarth		2016-2019
		Management Committee member, H2020 COST Action CA18104 MW-Gaia		MW-Gaia		2019-2023
		IVOA regional representative for education, member of IVOA EduIG		IVOA EduIG		2017-
		Chair, Scientific Council, Byurakan Astrophysical Observatory		BAO SciCo		2017-2022
		Vice-Chair, Specialized Council #048 on “Astrophysics”, Byurakan Astrophysical Observatory		BAO SC		2019-2020
		Scientific Council, Physics Faculty, Yerevan State University		YSU Physics		2018-
		Scientific Secretary, Scientific Council, Byurakan Astrophysical Observatory		BAO SciCo		1995-2001
		Scientific Secretary, Steering Committee, Viktor Ambartsumian International Prize		VA Prize		2009-
		Fellowship Selection Physics Committee, Foundation for Armenian Science and Technology		FAST		2018
	Executive Committee, International Society for Science and Civilization on the Silk Road		ISSCSR		2017
		Vice-Chair, Board of Trustees, “Viktor A. Ambartsumian’s Descendants” edu. char. foundation		VAF		2014-
		RA Governmental Committee for Anania Shirakatsi’s 1400^th anniversary		RA Gov		2012
		BAO Committee for revision of the observational programs and TAC		BAO TAC		2004-
		BAO Commission for PhD examinations		BAO PhD		1995-
		Methodological Council, Chair of Astrophysics at the YSU		YSU Astro		2005-2011
		Jury, Armenian School Astronomical Olympiads (Chairman, 2000)		AO Jury		1999-2017
		Council of Young Astronomers at BAO		BAO Young		1987-1989

Editorial Boards (9)

	Editorial Board, “Astrophysics” (“Astrofizika”)	Afz/Ap	2017-
	Editorial Board, “Astronomical and Astrophysical Transactions”	AATr	2006-
	Editorial Board, “American Journal of Modern Physics”	AJMP	2017-
	Editorial Advisory Board, “The Open Astronomy Journal”	OAJ	2008-
	Editorial Advisory Board, “The Open Conference Proceedings Journal”	OCPJ	2014-
	Review Editor, “Frontiers in Astronomy and Space Sciences” journal series	FASS	2015-
	Editorial Board, “Mediterranean Journal of Physics”	MedJPhys	2016-
	Editorial Board, “Communications of BAO”	ComBAO	2017-
	Editor, ArAS Electronic Newsletter	ArASNews	2008-2014