Having started his professional journey as a freelance composer, Mason Lieberman got his start composing on anime series like Rooster Teeth's RWBY and Beyblade Burst Evolution, amongst others. His music has enhanced the heroics of IP like Spider-Man, Mobile Suit Gundam, Ultraman, and Neon Genesis Evangelion, while lending epic gravitas to titles like PUBG Mobile, Apex Legends Mobile, Teamfight Tactics, Eden, Game for Peace, Devil Engine, Soundfall, Renaine, and many others. In 2019, he partnered with Asia Pacific government officials as an international ambassador to Australia representing the video-game music industry. As a cellist, guitarist, and vocalist, Mason has had the great pleasure of working with a wide variety of film and gaming franchises, with personal favorites including Pokémon, Stars Wars: Visions, The Rising of the Shield Hero, Nintendo's Super Smash Bros. franchise, Riot Games' League of Legends, AMC's The Walking Dead, Made in Abyss, Tower of God, Warhammer: Vermintide, Hell's Kitchen, and God Eater. He was thrilled to present the official Cowboy Bebop charity single, ‘The Real Folk Blues’, in collaboration with Funimation, Sunrise, featuring special guest artists like Yoko Kanno and the Seatbelts, Steve Blum, and many, many more. This arrangement hit #6 on Billboard global Digital song sales chart, as well as #1 on rock charts in Japan. In 2021, he shared the ‘Best Score’ award at the Crunchyroll Anime Awards with the rest of the team of ‘Tower of God’.