Master Derrick KwakJan 6, 20211 minTips on Learning English 미국에 이민 온지 32년되었고, 하루일상에 영어를 더 많이 쓰고 편하게 느껴지는 나에게도 실감이 되는 동영상입니다. 영어를 첨음 배울때 있었던 스트레스, 조급함, 우울증 그리고 약깐의 트라우마들이 생생히 생각나고, 우리 이민자들의 경험과,...
Derrick KwakOct 1, 20194 minTaekwondo jung-shin Congratulation to all our black belts who got promoted! I hope you can see that I am proud and happy. Thank you all our students,...
Derrick KwakSep 22, 20192 minLeadership Qualities and Requirement A big part of being Taekwondo instructor-ship is leadership. To be successful Taekwondo instructor, you have to be more than just coach...
Derrick KwakSep 21, 20193 minRecruiting, Retaining and Releasing Employees in Small BusinessSmall business owners must make very tough choices from time to time. As a school owner, all of us want to make a winning team, group,...