[2][3][4] Ryazanov was born in 1970 in Miass (Chelyabinsk region; USSR) in a family of engineers of the State Rocket Center.

In 1993, he graduated from the department of Aerophysics and Space Research of Moscow Institute of Physics and Technology.

In conjunction with Konstantin Babkin and Dmitry Udras withdrew Empils (1998) and Rostselmash (2000) plants from the crisis of the 1990s.

When Vladimir Putin gathered his advisers for a meeting on the development of regional industry earlier this year, they met at Rostselmash.Since 2005 he has been Vice President of CJSC Novoe Sodruzhestvo (Russian: Промышленный Союз "Новое Содружество"), uniting 20 enterprises located in Rostov Oblast, Moscow, Kazakhstan, Ukraine, Canada and the United States.

[10] He was the producer of for multiple films, including Rowan waltz (2009), Priest-San (2015), Private pioneer.