Nyoman Sutapa was born in Baturiti, Tabanan, Bali, which located 10 km southern of Bedugul tourist attraction. He holds the Doctoral degree in Operational Management from Brawijaya University, Malang. Before that, the Master degree is held from Technische Universitaet Kaiserslautern, Germany in Industrial Mathematics. Since 1992, he join with Petra Christian University in Industrial Engineering department. He teaches mathematics, optimization, and operations management both in undergraduate and graduate degree. Besides that, he is doing some researches in optimization area related with quality management, supply chain management, logistics, and inventory management. As developing community service, he become trainer and advisor at some companies in quality management system ISO 9001 development and performance measurement system.