MARK NAZZARO

Mark Nazzaro is the Co-founder and Chief Technology Officer of Compyle, an artificial intelligence software startup based in San Francisco, United States. He recently led the two-person company into the Y Combinator Fall 2025 batch to develop an autonomous coding agent for software engineers. Previously, Nazzaro served as the second engineer at the compliance technology firm Hadrius, where he managed engineering teams, built the core AI product architecture, and helped scale the enterprise to its Series A funding round. Before entering the startup ecosystem, he directed a comprehensive cloud migration and launched the first major user interface update in decades for arXiv, following his tenure as an Application Architect at Morgan Stanley. Nazzaro's technical background centers on developing machine learning applications, cloud infrastructure, and scalable software systems for both early-stage technology ventures and established global institutions.