Tran Trong Kien has been a pioneer in many adventure tours in Vietnam, Cambodia, and Laos. He ran local tours to fund his medical studies before establishing Buffalo Tours in 1994. After years of passion, effort, discipline, and vision, Kien has led his business to become Thien Minh Group – one of the leading travel and hospitality groups in the region, which currently consists of four business lines: Management Destination, Hospitality, Online and Aviation. Kien is also current chairman of Vietnam Tourism Advisory Board (TAB), Hue Tourism Advisory Board (HTAB),
Vietnam Tour Guides Association (VTGA), trustee of Fulbright University Vietnam, Vietnam Tourism Association (VITA), board member of Vietnam Institute of Directors (VIOD), member of the Private Sector Development Research Board (IV Board) of the Advisory Council for Administrative Procedure Reform and ex-member of Asia Commercial Bank (ACB), VP Bank, and Vinaland.