She has a Bachelor of Arts degree in creative writing and film production from Brooklyn College.

In 2013, Vessey co-created, directed, wrote, and produced a web series In the Production Office; the series was screened at the 2015 International Film Festival Rotterdam.

[2] She has one child, a son, with ex-boyfriend Anton Newcombe, a musician and producer.

[3] In 2022, Vessey testified at Danny Masterson's criminal trial as a "prior bad acts" witness.

[4] Vessey, who has never been a Scientologist, was added in 2023 as the sixth plaintiff in a case against Scientology and Masterson, alleging surveillance and harassment by the Church of Scientology after going to police with rape claims against Masterson.