Tezan Sahu is an Applied Scientist 2 at Microsoft working at the intersection of LLMs, agentic AI systems, and Copilot extensibility — building and evaluating the frontier agent platform that powers Microsoft 365 Copilot at scale. A distinguished alumnus of IIT Bombay, holder of 7 US patents in applied AI, and a bestselling author of Beyond Code, Tezan bridges the gap between cutting-edge research and production-grade AI. A Visiting Faculty at the Bower School of Entrepreneurship and a seasoned speaker at conferences and events across universities and corporates, he also curates Low-Pass Filter, a newsletter distilling noisy AI trends into actionable frameworks, and has taught over 20,000 students and professionals worldwide.