Nancy Claudine Mancilla is a globally recognized leader in environmental, social, and governance (ESG) strategy, sustainability reporting, and corporate governance. With over two decades of experience, she has been at the forefront of shaping sustainability frameworks, guiding organizations toward responsible business practices, and driving global ESG integration. Nancy has worked extensively with Fortune 500 companies, federal agencies, and international organizations, helping them navigate the complexities of ESG disclosure, regulatory compliance, and sustainable development.

As vice president of data and reporting at Environ Energy, Nancy leads the organization’s ESG strategies, integrating data-driven insights into sustainability and governance models. Her expertise in ESG risk mitigation, impact investing, and financial disclosures ensures that businesses align with evolving local and global reporting frameworks such as GRI, CDP, TCFD, SASB, IFRS, and CSRD. Before her role at Environ Energy, Nancy was the co-founder and president of ISOS Group, a pioneering corporate sustainability firm that helped shape the ESG profession and trained thousands of professionals worldwide.

Nancy’s ability to transform sustainability reporting into a competitive advantage has made her a sought-after expert in the industry. She has spearheaded ESG strategy development, regulatory compliance, materiality assessments, and multi-stakeholder engagement initiatives across diverse sectors, including energy, finance, and consumer goods. Her leadership has helped organizations navigate the intersection of profitability, social responsibility, and environmental stewardship.

A passionate educator and mentor, Nancy has served as faculty at Arizona State University’s School of Sustainability and Parsons School of Design – The New School, where she has taught graduate and executive-level courses on sustainable business models and global ESG integration. Her commitment to knowledge-sharing has influenced the next generation of sustainability leaders and professionals.

Nancy’s international experience spans multiple continents, having worked in the United States, Serbia, Croatia, Bosnia, Montenegro, the Netherlands, and Romania. She has led ESG and corporate responsibility projects in both developed and emerging markets, fostering ethical leadership and sustainable development through policy advising, consulting, and training. Her expertise in intercultural relations and conflict mitigation has enabled her to build strong global networks and create collaborative solutions for ESG challenges.

In addition to her corporate and academic roles, Nancy is an active board member and advisor, serving on the Kim Center for Social Balance and the Cultural Vistas Alumni Council. She has also worked alongside international organizations such as the United Nations, World Bank, and IFC, helping shape sustainability reporting standards and frameworks.

Nancy’s extensive certifications and credentials reflect her commitment to excellence in the ESG field. She holds certifications in GRI sustainability reporting, TCFD climate disclosures, CSRD fundamentals, and AA1000 assurance standards, among others. Her ability to bridge sustainability strategy with financial performance has positioned her as a leader in integrating ESG into corporate governance and investment decision-making.

Her thought leadership extends beyond consulting and academia. She is a regular speaker at global ESG summits, an author of numerous industry articles, and a contributor to policy discussions on climate risk, corporate transparency, and responsible investing. Through her work, she has helped companies future-proof their businesses, strengthen investor relations, and enhance their corporate reputation.

Nancy’s dedication to ESG innovation and governance has not gone unnoticed. She has received multiple awards, including the Eisenhower Zhi-Xing Fellowship, the Sustainability Lifetime Achievement Award, and the Women Who Mean Business Finalist recognition. Her expertise in stakeholder engagement, corporate policy, and ESG verification has made her a trusted voice in the sustainability space.

At her core, Nancy believes in the power of ethical leadership and sustainable business transformation. Through strategic guidance, policy influence, and hands-on implementation, she continues to empower organizations to drive meaningful change in the ESG landscape. Whether advising executives, educating professionals, or shaping international frameworks, Nancy’s impact is creating a world where responsible business is the standard, not the exception.

Character:

Nancy’s integrity and unwavering commitment to ethical business practices have made her a respected leader in the ESG field. She consistently prioritizes transparency, accountability, and sustainability, ensuring that organizations operate with a strong moral foundation.

Knowledge:

With over 22 years of experience in corporate governance, ESG strategy, and sustainability reporting, Nancy has developed a deep technical expertise. Her proficiency in regulatory frameworks, climate risk management, and impact investing allows her to guide organizations through complex sustainability challenges.

Strategic:

Nancy has a proven ability to align sustainability goals with business performance, ensuring that organizations create both environmental and financial value. She helps businesses mitigate risk, strengthen investor trust, and implement ESG initiatives that drive long-term growth.

Communication:

As an educator, speaker, and advisor, Nancy excels at making complex ESG concepts accessible and actionable. She ensures that stakeholders, executives, and policymakers clearly understand sustainability best practices, fostering informed decision-making and meaningful corporate change.