Teddy Rumengan started his journalism career during the 1998 reform, working for a local newspaper in East Kalimantan. In the ensuing years, Rumengan reported for sports-based media at home and abroad, including national newspapers. He also worked at Kartini Magazine, covering diverse women's issues. He also reported for KBR, a multi-platform media company with a vast network of community radios in Indonesia. In 2016, Teddy founded an online media IniBalikpapan, and currently serves as its editor-in-chief.