Memberships
• Union of Bulgarian mathematicians
http://www-groups.dcs.st-and.ac.uk/~history/Societies/Bulgarian.html
• IFIP – WG 3.5 (Computers in Primary education)
http://193.170.68.100/tc3/wg35memb.htm
• New York Academy of Sciences
• Friends of FMI Club
http://clubfmi.com/statute.fmi?vetusmonsID=f9673a82b2bb1698c2fafe2583899b83
• Representative of Bulgaria for the International Commission on Mathematical instruction (ICMI)
http://www.mathunion.org/ICMI/
• Academic advisor for the Institute for Innovation and Information Productivity (IIIP)