She is the Co-Founder and CEO of Ardena Consultancy, an ESG advisory firm dedicated to helping organizations navigate the rapidly evolving landscape of sustainability regulation, responsible investment, and corporate accountability. Through Ardena Consultancy, Njoki supports companies, financial institutions, and development actors in embedding ESG principles into governance frameworks, operational strategies, and long-term value creation models.

Her expertise is reinforced by a strong portfolio of internationally recognized certifications in ESG and sustainability governance, including:

• Certificate in The Wealth Economy and Sustainable Development & The Law – Lucy Cavendish College and Hughes Hall, University of Cambridge
• Certificate in Trade Rules, Sustainable Development and the Law – Lucy Cavendish College and Hughes Hall, University of Cambridge
• Certificate in Sustainable Finance – UN SSE Academy
• Certification on Equivalence between Sustainability Reporting Standards (2024) – Good Governance Academy, South Africa
• Certification on the EU Corporate Sustainability Reporting Directive (CSRD) and ESRS – Greenomy
• Certification in Human Rights Due Diligence for Sustainable Business – International Labour Organization (ILO)

A Master’s in Environmental Policy holder from the University of Nairobi, Njoki continues to contribute to high-level ESG advisory, sustainability governance, and capacity-building initiatives across sectors. Her work reflects a deep commitment to advancing responsible business conduct, environmental justice, and sustainable development across Africa.

Njoki serves as a Judge in the Green Law Global Initiative (GLGI) International Moot Court Competition, where she brings her expertise in environmental law and ESG governance to evaluate emerging legal arguments on climate justice, sustainability, and global environmental governance. Her presence on the bench strengthens the competition’s commitment to bridging legal scholarship with real-world sustainability practice and mentoring the next generation of climate and environmental lawyers.

Respected for her clarity of thought, policy foresight, and principled leadership in sustainability law, Njoki continues to shape the evolving dialogue on ESG governance and climate-responsive legal frameworks in Africa.