Ryen has been working with Gecko since January 2012 helping to devise Missing, Institute and The Wedding, and touring all three productions internationally. He also appeared in The Time of Your Life live on BBC4 in November 2015.

He was a cast member in Paramount’s 2013 film World War Z, and worked closely with Oscar award winner Andy Jones and choreographer Alex Reynolds to create the movement language for the zombies in the film as movement specialist.

He worked with the Cholmondeleys and the Featherstonehaughs from 2003, and spent 2 years as Lea Anderson’s assistant. He has performed with numerous other companies and choreographers over the years, such as Gary Clarke, Frauke Requardt, and Fabulous Beast. He studied theatre at UC Davis, California and received 5 years compilation martial arts training under the tutelage of Grandmaster Suk Ku Kim.