Victoria Vania Blanca Widjaya is a Mine Plan Expert at Pamapersada Nusantara since December 2022, having previously held the position of FGDP Mine Plan Engineer. Prior experience includes work as a Petrologist at Universitas Pertamina, where mineralogy descriptions and diagenesis of igneous and sedimentary rocks were conducted using a polarized light microscope. Additional roles at Universitas Pertamina involved organizing job descriptions as a Job Analyst and serving in various laboratory assistant capacities in mineralogy, optical mineralogy, petrology, sedimentary and stratigraphy, and physical geology, focusing on managing practical courses and preparing educational materials. Victoria holds a Bachelor's degree in Geology/Earth Science from Universitas Pertamina, completed in 2022.