Hwa Sun Ryu - Title: SkinSaRang Clinical R&D center Director/Ph.D. - 2008: Graduated from Chungbuk national university- Department of Biochemistry - 2010: Acquired a master's degree in pharmacy( Chungbuk national university) - Immunology(cell therapy) major - 2014: Ph.D. in pharmacy(Chungbuk national university)- Immunology & anti-cancer - 2015-present: Worked at Coseedbiopharm- efficacy evaluation - Research field: cosmetic science, skin efficacy analysis - Registered 16 papers and 15 patents