Dr Christoph Hammer is an accomplished attorney with extensive international experience in both the legal and corporate worlds.

Dr Hammer brings more than three decades of international governance, legal and executive leadership experience to the Board of Governors. His career has been defined by helping global organisations navigate strategic transformation, sustainable growth and complex governance challenges across both the corporate and non-profit sectors.
Prior to joining the IB Board in 2023, Dr Hammer served as Chief Legal Officer of the COFRA Holding Group, a global family-owned business, and as Senior Vice President & International General Counsel for McDonald’s Corporation, where he oversaw legal, governance and compliance matters across multiple international jurisdictions. Throughout his career, he has served on several audit, risk and compliance committees, providing extensive experience in corporate governance, fiduciary oversight and institutional resilience.
In addition to his corporate career, Dr Hammer has served as a trustee and board member of several philanthropic organizations. He is committed to advancing the IB’s mission and believes strongly in the role of high-quality international education in developing principled, resilient and globally-minded future leaders.
