Leadership
Zionex Inc.
Leadership
CEO
Co-Founder
Yoo Dongsik
President and CEO / Co-Founder
Dr. Yoo co-founded Zionex and serves as the CEO of Zionex. As CEO Dongsik sets the strategy and vision for the company. Prior to Zionex, Dr. Yoo worked at KIST (Korea Institute of Science and Technology), a national policy research institute in Korea, where he established the Information Factory, the precursor to Zionex.
Dr. Yoo holds a bachelor's degree from Seoul National University, and a master's and Ph.D. in Material Engineering from Massachusetts Institute of Technology.
EVP
Co-Founder
Lim Hun Wook
EVP & Co-Founder / Director of Zionex Japan & Taiwan
Dr. Lim serves as Executive Vice President at Zionex, overseeing marketing and consulting services. He is also the Director of Zionex Japan and Zionex Taiwan Ltd. Co. He is a highly experienced supply chain professional with over 25 years of hands-on experience in the manufacturing and distribution industries. He has been leading overseas sales and project deployments in the Greater China region in recent years and played a key role in establishing Zionex's presence in Korea and Japan after co-founding the company in 2000. Prior to joining Zionex, Dr. Lim held positions at i2 Technologies and Microstrategy, where he acquired expertise in supply chain consulting and data warehousing.
Dr. Lim holds a bachelor's degree from Columbia University. He received a master's degree and Ph.D from Massachusetts Institute of Technology.
President
Zionex Japan
Reiko Fujiwara
President and CEO of Zionex Japan Corporation
Ms. Fujiwara, President of Zionex Japan, oversees go-to-market leadership including sales, strategic partnership, customer success and marketing of Zionex SCM and PLM solutions. Prior to Zionex, she has offered consulting services, including IT strategy and planning, business process improvement, business design, and execution support, primarily for manufacturers at major foreign-affiliated consulting firms.
Ms. Fujiwara holds a bachelor’s degree from Sophia University.
Vice President of Consulting
Zionex Taiwan
Willie Chen
Vice President of Consulting, Zionex Taiwan Corporation
Mr. Chen leads Zionex’s Greater China business, helping customers strengthen supply chain planning and manufacturing operations. He brings extensive experience in business operations, solution architecture, and consulting across the semiconductor, electronics, pharmaceutical, and apparel industries.
His expertise spans demand and supply planning, capacity allocation, production scheduling, and manufacturing analytics. He has led multidisciplinary teams and delivered enterprise solutions for companies including United Microelectronics Corporation (UMC), Hanesbrands, and D-Link. Combining strategic insight with hands-on implementation experience, he helps customers translate complex business requirements into practical solutions that support operational efficiency and business growth.
Mr. Chen holds a bachelor’s degree from the University of California, San Diego, and a master’s degree from Columbia University.