Alter is the youngest Principal at Index Ventures, which she joined in 2020 after four years at Insight Partners. At Insight, Alter sourced eight deals representing over $250 million of deployed capital, joining board director meetings for four. At Index, she focuses on consumer and enterprise software with a particular enthusiasm for the creator economy. Alter's desire to invest in tools that enable creativity across multiple content forms is personal: an amateur filmmaker in her free time, she ran a film production startup for a few years in college, and co-host a SiriusXM political radio show called Alter Family Politics with her journalist relatives