Jang KyungAh (F) started out as reporter for Design House and later became chief editor of Jungle at Yoondesign. Jang has consulted around 30 companies and organizations on SNS through Eongttungsangsang, a professional contents subsidiary of Yoondesign Group. At present, Jang is writing books on SNS and travel essays. Jang has also written Assistant Manager Hong Who Became an SNS Genius.