About Greg Hallahan

Greg Hallahan is a managing director in Secretariat’s global investigations and disputes practice, providing consulting and expert services to clients facing complex challenges. Based in Hong Kong, he leads business intelligence, asset tracing and due diligence investigations globally, particularly across Asia, and manages complex asset tracing matters for clients worldwide. His work often supports litigation involving fraud, conflicts of interest, collusion, theft of intellectual property, and asset dissipation. A corporate investigations expert with international experience, including over two decades based in Asia, he conducts in-depth investigations using open-source research tools, semi publicly available resources and a global network of sources.