Patrick G. (Pat) Ryan, the founder and executive chairman of Ryan Specialty, maintains an estimated net worth measured in the multiple billions of US dollars, cementing his status as a prominent self-made billionaire in the global insurance and financial sectors. His substantial wealth is derived from decades of pioneering leadership in the insurance industry—including founding Aon and subsequently building Ryan Specialty—alongside significant multi-million-dollar equity holdings in corporate stock and diversified personal investment portfolios.