Chris Baker, an award-winning advertising and social change strategist, shares his journey as the founder of Serious Tissues and Change Please. He discusses how Serious Tissues combats climate change by planting trees with every purchase, while Change Please empowers the homeless through barista training. The conversation emphasizes the transformative power of purpose-driven branding and the potential of small businesses to inspire large-scale change. Baker also highlights the creativity and humor integral to effective social enterprise marketing.