Masaki Aono has been an ISO SC24 Committee Member since 1996. He received a Standard Contribution Award from Information Technology Standards Commission of Japan (ITSCJ) in 2003.
He has attended SC24 annual meetings as a Japanese delegate of SC24/WG6 at Kyoto (1996), Orlando (1998), Paris (2000), Lake Tahoe (2001), London (2002), Breckenridge (2004), and has served as a HoD (Head of Delegate) Japan in Tokyo (2007). He also participated in SC24 meetings at London (2009), Rapid City (2011), Brussels (2012), Sydney (2013), Seattle (2014), London (2015), and Beijing (2016).