Jack is the CEO of SandboxAQ, an enterprise SaaS company delivering AI and quantum tech (AQ) solutions for large enterprises in banking, biopharma, government, and other sectors. Jack is the author of Quantum Computing: An Applied Approach (Springer, 2nd edition), one of the leading textbooks in the field. Combining both quantum computing theory with hands-on coding, the book is extensively used in university classrooms and corporate up-skilling programs. Jack also co-authored the paper Transitioning Organizations to Post-Quantum Cryptography, published in Nature. Jack has been recognized for his leadership by organizations such as HealthCorps and Young Presidents’ Organization (YPO), and he is a member of the World Economic Forum’s Global Future Council. He frequently speaks at major business and technical conferences hosted by The Economist, Forbes, World Economic Forum, Cog X, MIT, and more. As a serial entrepreneur, Jack has launched and led multiple tech startups, including EarthWeb/Dice, a leading tech marketplace, and Vista Research, a fintech company that he and his team sold to Standard and Poors/McGraw-Hill. Jack has served as a board member, advisor, or trustee for numerous organizations, including BT Global, the XPrize, the National Renewable Energy Lab (NREL), the Partnership for New York City, Trickle Up, and the Council on Foreign Relations. Jack studied neuroscience at Columbia and subsequently received the Stanley Fellowship in Clinical Neuroscience at the National Institutes of Health, where he worked on functional brain imaging and neural networks. Jack's Erdös Number is 3.