Alexander is a leading expert in AI with over 25 years of experience across academia and industry. He served as an AI professor at NYU, pioneering research in machine learning and causal reasoning. Transitioning into financial services, he joined American Express, where he developed and productized AI solutions for risk management. At SoFi, as Head of Data & AI, he built the data-driven infrastructure and core business use cases that were pivotal to the company’s successful IPO. Most recently at Square, Alexander built AI and Growth initiatives, generating over $1B in customer lifetime value.