Irregular Expressions is a venture capital firm backing early-stage technology startups, with a focus on pre-seed and seed opportunities and observed participation through Series A. It targets infrastructure, data engineering, AI, DevOps, security, observability and developer productivity companies, including enterprise software, developer tools, data and analytics businesses. The firm primarily focuses on the United States and also has investment activity in Europe, positioning its network of engineering and product leaders as an informal product and go-to-market advisory board for founders.