Together with Amanda Pope, he wrote, produced, and directed "The Desert of Forbidden Art". Described by LA Times critic Kenneth Turan as a "remarkable documentary", it was nominated for two Emmys, won the Cine Golden Eagle Special Jury Award and multiple film festival awards. The film was broadcast on PBS Independent Lens and around the world.

Tchavdar edited the two times Emmy-nominated HBO documentary "Valentine Road" as well as "Finders Keepers", both of which premiered at Sundance. He directed and edited together with Dana Berry for National Geographic "Finding the Next Earth" and edited "Alien Earths", nominated for a Primetime Emmy.

He was one of the editors on the documentaries "We Live in Public" (Grand Jury Prize at Sundance), "One Lucky Elephant" (Best Doc Editing Award at Woodstock FF) and "Bite Size" (Best Doc at Cinequest FF) as well as the narrative feature "Bastards" (MTV Russia Best Film Award). He edited "Divining the Human: The Cathedral Tapestries of John Nava", narrated by Edward James Olmos, "Marion's Triumph", narrated by Debra Messing and "View from a Grain of Sand" (nominated for an IDA award) - all of which premiered on PBS. He was also an editor on the award-winning documentaries "Refusenik" and "Maybe Baby". He was a researcher on the Sony Pictures Classics' award-winning doc "Red Army" that premiered at Cannes and Participant Media's "Countdown To Zero" that premiered at Sundance.

He produced the feature thriller "Nevsky Prospect" for Amazon Studios. He has field produced for USA Network, History Channel, PBS, Simon Wiesenthal Center, SF1 (Switzerland), Channel 1 and MTV (Russia) and commercials for Adobe, Cisco, NASA and TELE2 Mobile Europe. He also cut commercials for Honda, Oscar de la Renta, Rooms to Go, TELE2 and MTV Russia.

Tchavdar holds an MFA from the USC School of Cinematic Arts and a BFA from the Art Institute of Chicago. He is a recipient of the National Endowment for the Arts and Open Society Institute grants among many others.