YEANE OKVIA Sawit Sumbermas Sarana (CERTIFIED LEAN SIX SIGMA YELLOW BELT) It was a valuable opportunity to attend a lean six sigma training starting from basic awareness training. I learn how to apply the concept at workplace and daily processes that lead me to discover solutions of any process issues. The training days were very insightful as TLSSC ID trainer combined knowledge and practise as well as relevant information that facilitated all participants to understand the principles.