Sonja Lang is a Canadian linguist who lives in Toronto. In 2001, she created the philosophical artistic constructed language known as Toki Pona. She created the language during a period of depression, to help simplify her thought process.
Her name was Sonja Elen Kisa. She grew up in New Brunswick. Her family was bilingual; her mother spoke French at home, and her father spoke English. Sonja also speaks Esperanto, Spanish, and German.