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Leo Geddes


Serves governments and companies on strategy and corporate-finance topics including M&A integrations and regulatory processes

Leo is a partner in McKinsey’s London office and leads McKinsey’s regulatory and external affairs work across Europe. He is also a leader in McKinsey’s public sector practice, where he focuses on central government, security and defence. 

In the private sector, Leo’s work has included supporting FTSE 100 companies on M&A, specifically on post-merger integration and regulatory strategy. Leo has expertise in the technology sector and advanced industries. He is sought out by global clients on regulatory topics including merger control and foreign-direct investment approvals.

In the public sector, Leo’s work has focused on central government, security, and defense. Examples of recent work include the following:

  • supporting a central-business ministry understand the impact of COVID-19 across a range of industries
  • helping a national ministry of defense define its strategy and organizational structure
  • developing options for a high-tech investment plan for a state-owned technology and research organization

Before joining McKinsey, Leo worked in government with roles focusing on corporate governance and corporate finance and served as a diplomat in Asia and Australasia.


The pivotal factors for effective external engagement,” McKinsey & Company, May 2020


UK Government Investments
Executive director

Foreign, Commonwealth & Development Office


Oxford University
MSc, Research Methods in Psychology 

Cambridge University
MA, Natural Sciences