Joseph Spisak, Angel Investor

Joseph Spisak is an angel investor with a portfolio that includes Evertune, where he participated in its Series A round. Evertune is an AI marketing technology startup focused on Generative Engine Optimization. It raised $15M in its Series A round in August 2025. Joseph is VP of Product and Head of Open Source at Reflection AI. He also serves as an angel and advisor, and is an advisor at Improbability.