Hayley Barna is an American entrepreneur and venture capitalist. She is a Partner at First Round Capital, a role she assumed in 2016, becoming the firm's first female partner. At First Round, she primarily focuses on e-commerce startups and has invested in companies including Collective Retreats, Keeps, CrowdJustice, and Mirror, also joining their boards. She also serves as a Board Director for RAB Lighting, a position she has held since 2007.