people

Joon Hahm

Head of Internal Audit

Joon Hahm is the Head of Internal Audit at the Global Green Growth Institute (GGGI). In this capacity, he leads the organization’s internal audit and assurance function, safeguarding governance, risk management, and integrity across GGGI’s global operations. 

Joon brings more than a decade of professional experience in auditing, financial accounting, and advisory services with top multinational firms and international organizations. His career has spanned diverse industries and geographies, from Canadian and U.S. Stock Exchange regulatory reviews to national compliance audits of NGOs worldwide. This breadth of experience has honed his ability to navigate complex financial, operational, and compliance environments with rigor and independence.

As Head of Internal Audit, Joon is recognized for his strong commitment to professional ethics, objectivity, and accountability, principles he upholds in reinforcing transparency and trust within GGGI.

Joon is a qualified Canadian Chartered Professional Accountant (CPA), holds an MBA from Boston University, and is an alumnus of the Oxford Artificial Intelligence Programme at the University of Oxford. This foundation underpins his forward-looking leadership and strategic management.