Stephanie Leffler

CEO OneSpace

Stephanie Leffler is an entrepreneur passionate about e-commerce. Most recently, Stephanie co-founded OneSpace, which helps brands build better e-commerce content, using data to inform the creative process at every step. Stephanie brings her years of experience building successful enterprises to her role as OneSpace’s CEO. Prior to OneSpace, she founded MonsterCommerce, a leading e-commerce storefront solutions company powered by 280 team members with more than 8,000 e-commerce clients. Stephanie spearheaded the sale of MonsterCommerce to NetworkSolutions, where she was SVP of Channels & Partners until departing to found Juggle.com and subsequently OneSpace (formerly CrowdSource). In her spare time, Stephanie can be found at the nearest golf course, playing tennis or spending time with her three children and two labradoodles.