Upon graduating in Computer and Mathematics Science in 1991 from Waikato University (New Zealand), Peter Tjhai began his career with PT lautan Luas Tbk. In 2004, he was appointed as Marketing Manager for Lautan Luas Singapore and then promoted to National Sales & Marketing Manager. His outstanding performance has led him entering new role as General Manager of Linc Terminal in 2007 and Branch Coordinator of Linc Group in 2009.

Today, Peter Tjhai has taken greater responsibility as Linc Group's Executive Director of Liquid Terminal, Shipping, Trading and Domestic Business.