He graduated from Korea University, Business Administration. After working for a long time in the IT sector of large corporations, he has been working as an ERP Consultant for many years. He had got a broad understanding of the company's business processes while he have been carring out various projects in various fields such as financial accounting, cost accounting, tax accounting, capital management, purchasing, sales and marketing, transportation shipment, inventory management, and production. He also had learned a lot of knowledge and skills about SAP SD, MM, IS-OIL, FI, CO, BW, ABAP/4, ALE/EDI, Interface, and so on while he have been carrying out big ERP projects of major companies such as GS Caltex, SK Energy, Volvo, Korean National Oil Corporation, Hanhwa-Total Petrochimcal, and so on since he acquired the international certificate of SAP consultant in 1997. Currently, He is working for Real Omega Consulting that has the business field of ERP, DW, SEM, CRM, EAI, Business Application, etc.