(Kim Seon-ho): A sharp-tongued investor at SH Venture Capital with a secret past connection to Dal-mi.
(Nam Joo-hyuk): A struggling math genius and founder of Samsan Tech who becomes Dal-mi's business partner. Seutateueob
(Kang Han-na): Dal-mi's estranged older sister, a wealthy CEO who tries to succeed on her own terms. Plot Summary (Kim Seon-ho): A sharp-tongued investor at SH Venture
: You can view trailers and episode details on their official page. Quick Facts Episodes Original Network Director Oh Choong-hwan Writer Park Hye-ryun Start-Up (TV Series 2020) - Videos - IMDb Seutateueob