In 2008, Nancy cofounded recognized ESG solutions provider ISOS Group, which is now a division of Environ Energy. She has led numerous ESG-related certified training sessions, offered market thought leadership, and managed projects for some of the world's largest brands. Her expertise in sustainability/ESG reporting is supported by certifications from AccountAbility, CDP, GRI, and the Greenhouse Gas Management Institute. To prepare the next generation of sustainability professionals, her teaching has extended to master's-level courses at leading institutions, including Arizona State University’s School of Sustainability and the New School in New York as an adjunct faculty member.