He is also the Director for the East Los Angeles College Annual Animation Film Festival.
During his years in Iranian cinema and television, he has produced around 200 documentaries and short tales, some of which have won international honors.
International festivals have recognized The Towers and Children's Olympics from his compositions in the city of Jaleh.
Tehrani's first book Hear from the reed which was first published in the early 1960s has been reprinted 13 times, and 275,000 have been printed in total.
[4] For many years, Hassan Tehrani, also known as Bijan in the United States, has taught at the Los Angeles College of Film and Cinema.