Clandestine influence campaigns are rampant on social media. Whether pushing Russian agitprop or lies about vaccines, they can impact policy and make us question what is true. A technologist, Wall Street veteran, and citizen advisor to Congress, DiResta will tell us how bad it is and some things we can do. Renée DiResta studies narrative manipulation as the Director of Research at New Knowledge. She is a Mozilla Foundation fellow on Media, Misinformation and Trust, and is affiliated with the Berkman-Klein Center at Harvard and the Data Science Institute at Columbia University. Renee is a WIRED Ideas contributor, writing about discourse and the internet. In past lives she has been on the founding team of supply chain logistics startup Haven, a venture capitalist at OATV, and a trader at Jane Street.