Sheena Zadeh blended her background in science with a love of cosmetics to create Kosas Cosmetics, a brand that proudly states that it’s ‘makeup for skincare freaks.’ Sheena's journey has been a testament to adaptation, experimentation and a passion for what she does. Juggling roles as CEO and founder, she eventually opted to step back from the CEO position to focus on Kosas’s creative vision. She and Nancy dive into this decision, in addition to exploring the intricacies of building a successful brand and team, while emphasizing the importance of selfinvestment.