Petar Valchanov was born in 1982 in Plovdiv. He graduated from an Art School, Plovdiv in 2000. After that he graduated in Film Directing from National Academy for Theatre and Film At in classes of prof. Ludmil Staikov.. Together, Petar Valchanov and Kristina Grozeva have directed the documentary Parable of Life (2009), the TV movie Forced Landing (2010). Recently they wrote and directed the short film Jump, which was nominated for the European Film Awards 2013 at Clermont-Ferrand ISFF 2013, making it the first Bulgarian short film ever nominated for EFA. Jump was also awarded with Grand Prix at Brussels SFF 2013, Excellence Award for Best Picture at Busan ISFF 2013, and Best Short Film by the Bulgarian Film Academy 2013, among others. The Lesson is their full-length debut film, having been selected at Toronto IFF (Contemporary World Cinema) and San Sebastian IFF (New Directors).