Gennie is the Activism Director at the Electronic Frontier Foundation, where she leads a team of advocates, researchers, and policy analysts working to defend and expand digital rights online. Her work primarily focuses on consumer privacy and security, with an emphasis on third-party tracking, platform policy, and secure messaging, as well as content moderation and open access.

Prior to joining EFF, Gennie was a Henry Luce Scholar in Laos and Thailand, and earned a Master of Library and Information Science from the University of Washington Information School while doing research in the School of Computer Science and Engineering's Security & Privacy Research Lab. While at the UW, she also co-founded a successful initiative for a university open access policy. Outside of her EFF work, Gennie volunteers at the San Francisco Public Library and serves on the program committees of several computer science research venues.