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Sam Yoonsoo Yoo

Sam Yoonsoo Yoo

PSP, Golf, Author(9 Books(eBOOK포함)-Essay, MS/PhD논문,Facebook,Social Commerce,4sq+Etc), Working Exp: Samsung Electronic(Senior Mgr), Xircom(CM),SonicWALL(CM),IT Columnist,Lecturer, Startup Accelerator