Bill Kelly is CEO and Co-founder of TrueMath, which provides deterministic math coprocessor technology that gives AI systems reliable, auditable calculation capabilities. He writes extensively about the limitations of probabilistic AI for high-stakes numerical work and the need for hybrid architectures that pair LLMs with precise computational engines. A serial entrepreneur with three decades of experience, Bill co-founded Sapient Health Network (which became WebMD) and founded Learning.com. He has taught entrepreneurial finance at the MBA level and holds degrees from Harvard Business School and Brigham Young University. His expertise spans AI infrastructure, healthcare technology, education technology, and early-stage venture building.