I am an expert in portal and groupware sector.Until 2014, it was mainly active role is the PM of the project, such as portals, groupware, integrated approval system etc.Starting in the second half of 2014, I'm working for technical sales, marketing and partner's management.- 1997.01 - 2001.04: Working as a developer of EDMS (Building the groupware, knowledge management system of Korea Gas Corporation, Daelim Industrial, Dongwon Securities, Daelim Corporation, Shinhan Bank, LG Investment & Securities groupware, Hanjin shipping)- 2000.04 ~ 2003.11: Working as a project manager (Building the groupware, knowledge management system of Lotte World, Korea Asset Management Corporation, SC First Bank)- 2002.01 - 2002.11: Working as a developer and PL (Building the PMIS(Project Management Information System of Korea Gas Corporation)- 2003.01 - 2004.12: Worked in technical sales and consulting about portal, groupware system- 2010.02 ~ 2014.06: Working as a PM, PL, consultant (Building the portal/groupware, integrated approval system of Dongwon Group, HLDS, OB Beer, NHN, Taelim packaging industry, Hanjin Group, BNK Financial Group, SK Hynix)- ~ 2014.07: Worked in technical sales, Marketing and Partner's management