the group came under the leadership of choi hong hi (1918–2002), inaugural president of the kta and later founder of the international taekwon-do federation (itf), and nam tae hi (1929–2013), known as the father of vietnamese taekwondo. many of these men held senior positions in the itf under choi, but several left over time. most of the men settled in north america, while others settled in europe or australia.