Eric Engineer brings an unusually complete perspective to venture investing, having worked as a sales engineer at Trilogy, held product roles at Microsoft, invested at Sevin Rosen, and served as CEO of portfolio company Invodo before joining S3 Ventures as a partner. He focuses on backing technical founders who are building AI-native systems for complex, under-digitized industries like financial services, healthcare, and manufacturing, drawing from his computer science background and experience navigating multiple tech cycles to help Texas startups access both local networks and national capital.