Ellen Jackowski, Chief Sustainability Officer at Mastercard, leads on circular-economy initiatives, while Rachel McShane, CFO of Depop, champions sustainable fashion. They delve into how circular practices drive both sustainability and profitability for small businesses. The conversation covers community impacts, the shift towards reusable and resale models, and the fight against greenwashing. They emphasize the role of technology, like AI, in enhancing user experiences and ensuring transparency, and call for supportive policies to foster entrepreneurial growth in the circular economy.