Dr. Yoo is CEO and cofounder of Zionex, Inc., a supply chain management software solution company. For the last thirteen years, Zionex has developed a fast and optimized supply chain solution by combining knowledge of mathematical modeling methods, software technologies, and efficient business processes.

Zionex was hailed as one of the most prominent enterprise solutions from the Korean Ministry of Commerce and Economics. Global companies such as Samsung, LG, and SK run with the help of Zionex daily to determine the best speedy response to fluctuating customer needs, operating strategies, and cost-effective global manufacturing.