Bill Hallisey

Bill Hallisey is a seasoned investment professional with extensive experience in private equity and growth equity across various sectors. Currently, Bill serves as a Partner at American Infrastructure Partners, focusing on investment origination, execution, portfolio performance, and fundraising in AI-driven technologies. Previously, Bill was the Managing Partner at NewWorld Capital Group, where foundational strategies were established for middle market growth and venture investments, emphasizing operational infrastructure and ESG principles. Bill also held leadership positions at GSC Group and Berggruen Holdings, enhancing growth equity practices and originating investment opportunities, respectively. Bill's earlier career includes a significant role at ING, overseeing asset management focused on alternative investments. Bill holds a Bachelor of Arts in Economics and Political Science from Stanford University and an MBA from Harvard Business School.