Brian McMahon
Founder
Brian founded Nous Ergon in March 2026 to build agentic systems addressing problems with measurable, continuously verifiable outcomes. His two decades of experience intersect tech and finance.
Most recently a data engineer at Block, Brian has worked in data science and machine learning over the last decade. Previously, he spent a decade in investment banking and advisory in the United States and Asia. He holds an MBA in Finance from CEIBS and London Business School, and an MS in Computer Science (Machine Learning) from Georgia Tech.