Language and dialect expert known on YouTube as KoreanBilly who has earned more than 110,000 subscribers to his educational channel.
He earned a bachelor's degree in international studies from Kyunghee University. He studied abroad in 2015 at the University of Central Lancashire, concentrating on journalism.
He booked a voice-over gig with a company called Multilingual Morning in 2015.
He is from South Korea.
He posted a vlog about attending a screening of a movie called Train to Busan starring Gong Yoo.