John Linnehan

With over three decades in global finance and investment management, John Linnehan brings deep expertise in corporate finance, strategic planning, and risk management to his role as a Fractional Chief Financial Officer to Prospect HQ. As Co-Founder of Digital Investment Securities and CEO of the 21X U.S. entity, he has led major initiatives modernizing financial infrastructure and scaling global investment platforms at firms including Guggenheim Investments, AFLAC Global Investments, Pioneer Investments, and Promethos Capital. John now applies that experience to support Prospect HQ’s growth strategy, helping the company build a sustainable foundation for expansion and long-term impact.