Mattias Sonnenberg (de Soucanton) is an award-winning author, theater and ballet critic, creator of the LED-luminism form as an artist, composer and singer with the unique Johnny Cash voice. He wrote longest tautogram poem 900 words «Kannatamatud kakud – Restless Owls», published in 2023.
In business, he was the founder and CEO of the LINGmedia Europe company branch in Estonia, is associated with various organizations and lives both in Atlanta and in Estonia.